Home / 125,134.92-187,266.04-102,382.64

Finding the Fourth Proportional to 125,134.92, 187,266.04 and 102,382.64

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Solution

The fourth proportional to 125,134.92, 187,266.04 and 102,382.64 is: 153,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,134.92 : 187,266.04 = 102,382.64 : x
  2. Step 2: Convert to fraction form
    125,134.92/187,266.04 = 102,382.64/x
  3. Step 3: Cross multiply
    125,134.92x = 187,266.04 × 102,382.64
  4. Step 4: Simplify right side
    125,134.92x = 19,172,791,557.55
  5. Step 5: Solve for x
    x = 19,172,791,557.55/125,134.92
  6. Step 6: Final answer
    x = 153,216.96

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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.