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Finding the Fourth Proportional to 169,158.44, 253,639.26 and 63,985.61

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Solution

The fourth proportional to 169,158.44, 253,639.26 and 63,985.61 is: 95,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,158.44 : 253,639.26 = 63,985.61 : x
  2. Step 2: Convert to fraction form
    169,158.44/253,639.26 = 63,985.61/x
  3. Step 3: Cross multiply
    169,158.44x = 253,639.26 × 63,985.61
  4. Step 4: Simplify right side
    169,158.44x = 16,229,261,502.85
  5. Step 5: Solve for x
    x = 16,229,261,502.85/169,158.44
  6. Step 6: Final answer
    x = 95,941.19

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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.