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Finding the Fourth Proportional to 132,874.25, 183,359.51 and 75,505.89

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Solution

The fourth proportional to 132,874.25, 183,359.51 and 75,505.89 is: 104,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,874.25 : 183,359.51 = 75,505.89 : x
  2. Step 2: Convert to fraction form
    132,874.25/183,359.51 = 75,505.89/x
  3. Step 3: Cross multiply
    132,874.25x = 183,359.51 × 75,505.89
  4. Step 4: Simplify right side
    132,874.25x = 13,844,722,614.98
  5. Step 5: Solve for x
    x = 13,844,722,614.98/132,874.25
  6. Step 6: Final answer
    x = 104,194.18

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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.