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Finding the Fourth Proportional to 132,735.52, 183,242.92 and 89,941.17

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Solution

The fourth proportional to 132,735.52, 183,242.92 and 89,941.17 is: 124,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,735.52 : 183,242.92 = 89,941.17 : x
  2. Step 2: Convert to fraction form
    132,735.52/183,242.92 = 89,941.17/x
  3. Step 3: Cross multiply
    132,735.52x = 183,242.92 × 89,941.17
  4. Step 4: Simplify right side
    132,735.52x = 16,481,083,118.76
  5. Step 5: Solve for x
    x = 16,481,083,118.76/132,735.52
  6. Step 6: Final answer
    x = 124,164.83

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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.