Home / 156,792.90-235,092.15-90,200.10

Finding the Fourth Proportional to 156,792.90, 235,092.15 and 90,200.10

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Solution

The fourth proportional to 156,792.90, 235,092.15 and 90,200.10 is: 135,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.90 : 235,092.15 = 90,200.10 : x
  2. Step 2: Convert to fraction form
    156,792.90/235,092.15 = 90,200.10/x
  3. Step 3: Cross multiply
    156,792.90x = 235,092.15 × 90,200.10
  4. Step 4: Simplify right side
    156,792.90x = 21,205,335,439.22
  5. Step 5: Solve for x
    x = 21,205,335,439.22/156,792.90
  6. Step 6: Final answer
    x = 135,244.23

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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.