Home / 188,788-283,182-77,982.88

Finding the Fourth Proportional to 188,788, 283,182 and 77,982.88

Calculator

Solution

The fourth proportional to 188,788, 283,182 and 77,982.88 is: 116,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,788 : 283,182 = 77,982.88 : x
  2. Step 2: Convert to fraction form
    188,788/283,182 = 77,982.88/x
  3. Step 3: Cross multiply
    188,788x = 283,182 × 77,982.88
  4. Step 4: Simplify right side
    188,788x = 22,083,347,924.16
  5. Step 5: Solve for x
    x = 22,083,347,924.16/188,788
  6. Step 6: Final answer
    x = 116,974.32

Related Problems

Find fourth proportional to 94,394, 141,591 and 38,991.44
Half scale
Find fourth proportional to 377,576, 566,364 and 155,965.76
Double scale
Find fourth proportional to 188,789, 283,183.50 and 77,983.88
Similar ratio
Find fourth proportional to 283,182, 424,773 and 116,974.32
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.