Home / 130,303.20-179,837.24-75,101.80

Finding the Fourth Proportional to 130,303.20, 179,837.24 and 75,101.80

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Solution

The fourth proportional to 130,303.20, 179,837.24 and 75,101.80 is: 103,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,303.20 : 179,837.24 = 75,101.80 : x
  2. Step 2: Convert to fraction form
    130,303.20/179,837.24 = 75,101.80/x
  3. Step 3: Cross multiply
    130,303.20x = 179,837.24 × 75,101.80
  4. Step 4: Simplify right side
    130,303.20x = 13,506,100,431.03
  5. Step 5: Solve for x
    x = 13,506,100,431.03/130,303.20
  6. Step 6: Final answer
    x = 103,651.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.