Home / 150,909.12-226,371.24-57,422.16

Finding the Fourth Proportional to 150,909.12, 226,371.24 and 57,422.16

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Solution

The fourth proportional to 150,909.12, 226,371.24 and 57,422.16 is: 86,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,909.12 : 226,371.24 = 57,422.16 : x
  2. Step 2: Convert to fraction form
    150,909.12/226,371.24 = 57,422.16/x
  3. Step 3: Cross multiply
    150,909.12x = 226,371.24 × 57,422.16
  4. Step 4: Simplify right side
    150,909.12x = 12,998,725,562.68
  5. Step 5: Solve for x
    x = 12,998,725,562.68/150,909.12
  6. Step 6: Final answer
    x = 86,136.12

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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.