Home / 168,459.11-252,687.64-42,098.71

Finding the Fourth Proportional to 168,459.11, 252,687.64 and 42,098.71

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Solution

The fourth proportional to 168,459.11, 252,687.64 and 42,098.71 is: 63,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,459.11 : 252,687.64 = 42,098.71 : x
  2. Step 2: Convert to fraction form
    168,459.11/252,687.64 = 42,098.71/x
  3. Step 3: Cross multiply
    168,459.11x = 252,687.64 × 42,098.71
  4. Step 4: Simplify right side
    168,459.11x = 10,637,822,939.98
  5. Step 5: Solve for x
    x = 10,637,822,939.98/168,459.11
  6. Step 6: Final answer
    x = 63,147.80

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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.