Home / 168,521.46-252,781.47-68,659.38

Finding the Fourth Proportional to 168,521.46, 252,781.47 and 68,659.38

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Solution

The fourth proportional to 168,521.46, 252,781.47 and 68,659.38 is: 102,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521.46 : 252,781.47 = 68,659.38 : x
  2. Step 2: Convert to fraction form
    168,521.46/252,781.47 = 68,659.38/x
  3. Step 3: Cross multiply
    168,521.46x = 252,781.47 × 68,659.38
  4. Step 4: Simplify right side
    168,521.46x = 17,355,819,005.69
  5. Step 5: Solve for x
    x = 17,355,819,005.69/168,521.46
  6. Step 6: Final answer
    x = 102,988.78

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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.