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Finding the Fourth Proportional to 122,534.88, 183,823.92 and 63,354.48

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Solution

The fourth proportional to 122,534.88, 183,823.92 and 63,354.48 is: 95,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,534.88 : 183,823.92 = 63,354.48 : x
  2. Step 2: Convert to fraction form
    122,534.88/183,823.92 = 63,354.48/x
  3. Step 3: Cross multiply
    122,534.88x = 183,823.92 × 63,354.48
  4. Step 4: Simplify right side
    122,534.88x = 11,646,068,863.16
  5. Step 5: Solve for x
    x = 11,646,068,863.16/122,534.88
  6. Step 6: Final answer
    x = 95,042.89

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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.