Home / 125,114.14-172,657.61-67,753.92

Finding the Fourth Proportional to 125,114.14, 172,657.61 and 67,753.92

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Solution

The fourth proportional to 125,114.14, 172,657.61 and 67,753.92 is: 93,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,114.14 : 172,657.61 = 67,753.92 : x
  2. Step 2: Convert to fraction form
    125,114.14/172,657.61 = 67,753.92/x
  3. Step 3: Cross multiply
    125,114.14x = 172,657.61 × 67,753.92
  4. Step 4: Simplify right side
    125,114.14x = 11,698,229,163.17
  5. Step 5: Solve for x
    x = 11,698,229,163.17/125,114.14
  6. Step 6: Final answer
    x = 93,500.45

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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.