Home / 188,120-282,180-56,792

Finding the Fourth Proportional to 188,120, 282,180 and 56,792

Calculator

Solution

The fourth proportional to 188,120, 282,180 and 56,792 is: 85,188

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,120 : 282,180 = 56,792 : x
  2. Step 2: Convert to fraction form
    188,120/282,180 = 56,792/x
  3. Step 3: Cross multiply
    188,120x = 282,180 × 56,792
  4. Step 4: Simplify right side
    188,120x = 16,025,566,560
  5. Step 5: Solve for x
    x = 16,025,566,560/188,120
  6. Step 6: Final answer
    x = 85,188

Related Problems

Find fourth proportional to 94,060, 141,090 and 28,396
Half scale
Find fourth proportional to 376,240, 564,360 and 113,584
Double scale
Find fourth proportional to 188,121, 282,181.50 and 56,793
Similar ratio
Find fourth proportional to 282,180, 423,270 and 85,188
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.