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Finding the Fourth Proportional to 125,283.69, 187,953.17 and 36,544.14

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Solution

The fourth proportional to 125,283.69, 187,953.17 and 36,544.14 is: 54,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,283.69 : 187,953.17 = 36,544.14 : x
  2. Step 2: Convert to fraction form
    125,283.69/187,953.17 = 36,544.14/x
  3. Step 3: Cross multiply
    125,283.69x = 187,953.17 × 36,544.14
  4. Step 4: Simplify right side
    125,283.69x = 6,868,586,412.98
  5. Step 5: Solve for x
    x = 6,868,586,412.98/125,283.69
  6. Step 6: Final answer
    x = 54,824.27

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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.