Home / 87,124.28-120,187.17-56,927.25

Finding the Fourth Proportional to 87,124.28, 120,187.17 and 56,927.25

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Solution

The fourth proportional to 87,124.28, 120,187.17 and 56,927.25 is: 78,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.28 : 120,187.17 = 56,927.25 : x
  2. Step 2: Convert to fraction form
    87,124.28/120,187.17 = 56,927.25/x
  3. Step 3: Cross multiply
    87,124.28x = 120,187.17 × 56,927.25
  4. Step 4: Simplify right side
    87,124.28x = 6,841,925,073.38
  5. Step 5: Solve for x
    x = 6,841,925,073.38/87,124.28
  6. Step 6: Final answer
    x = 78,530.64

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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.