Home / 180,961.43-271,265.65-86,166.15

Finding the Fourth Proportional to 180,961.43, 271,265.65 and 86,166.15

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Solution

The fourth proportional to 180,961.43, 271,265.65 and 86,166.15 is: 129,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,961.43 : 271,265.65 = 86,166.15 : x
  2. Step 2: Convert to fraction form
    180,961.43/271,265.65 = 86,166.15/x
  3. Step 3: Cross multiply
    180,961.43x = 271,265.65 × 86,166.15
  4. Step 4: Simplify right side
    180,961.43x = 23,373,915,331.42
  5. Step 5: Solve for x
    x = 23,373,915,331.42/180,961.43
  6. Step 6: Final answer
    x = 129,165.18

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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.