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Finding the Fourth Proportional to 169,937.62, 254,757.39 and 64,686.58

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Solution

The fourth proportional to 169,937.62, 254,757.39 and 64,686.58 is: 96,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,937.62 : 254,757.39 = 64,686.58 : x
  2. Step 2: Convert to fraction form
    169,937.62/254,757.39 = 64,686.58/x
  3. Step 3: Cross multiply
    169,937.62x = 254,757.39 × 64,686.58
  4. Step 4: Simplify right side
    169,937.62x = 16,479,384,288.83
  5. Step 5: Solve for x
    x = 16,479,384,288.83/169,937.62
  6. Step 6: Final answer
    x = 96,973.14

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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.