Home / 142,451.24-213,719.68-42,614.68

Finding the Fourth Proportional to 142,451.24, 213,719.68 and 42,614.68

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Solution

The fourth proportional to 142,451.24, 213,719.68 and 42,614.68 is: 63,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,451.24 : 213,719.68 = 42,614.68 : x
  2. Step 2: Convert to fraction form
    142,451.24/213,719.68 = 42,614.68/x
  3. Step 3: Cross multiply
    142,451.24x = 213,719.68 × 42,614.68
  4. Step 4: Simplify right side
    142,451.24x = 9,107,595,772.90
  5. Step 5: Solve for x
    x = 9,107,595,772.90/142,451.24
  6. Step 6: Final answer
    x = 63,934.83

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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.