Home / 122,553.85-169,098.08-71,543.43

Finding the Fourth Proportional to 122,553.85, 169,098.08 and 71,543.43

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Solution

The fourth proportional to 122,553.85, 169,098.08 and 71,543.43 is: 98,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,553.85 : 169,098.08 = 71,543.43 : x
  2. Step 2: Convert to fraction form
    122,553.85/169,098.08 = 71,543.43/x
  3. Step 3: Cross multiply
    122,553.85x = 169,098.08 × 71,543.43
  4. Step 4: Simplify right side
    122,553.85x = 12,097,856,184.33
  5. Step 5: Solve for x
    x = 12,097,856,184.33/122,553.85
  6. Step 6: Final answer
    x = 98,714.62

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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.