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Finding the Fourth Proportional to 125,382, 187,955.98 and 49,481.17

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Solution

The fourth proportional to 125,382, 187,955.98 and 49,481.17 is: 74,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,382 : 187,955.98 = 49,481.17 : x
  2. Step 2: Convert to fraction form
    125,382/187,955.98 = 49,481.17/x
  3. Step 3: Cross multiply
    125,382x = 187,955.98 × 49,481.17
  4. Step 4: Simplify right side
    125,382x = 9,300,281,798.90
  5. Step 5: Solve for x
    x = 9,300,281,798.90/125,382
  6. Step 6: Final answer
    x = 74,175.57

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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.