Home / 149,815.20-224,655.12-79,679.52

Finding the Fourth Proportional to 149,815.20, 224,655.12 and 79,679.52

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Solution

The fourth proportional to 149,815.20, 224,655.12 and 79,679.52 is: 119,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,815.20 : 224,655.12 = 79,679.52 : x
  2. Step 2: Convert to fraction form
    149,815.20/224,655.12 = 79,679.52/x
  3. Step 3: Cross multiply
    149,815.20x = 224,655.12 × 79,679.52
  4. Step 4: Simplify right side
    149,815.20x = 17,900,412,127.14
  5. Step 5: Solve for x
    x = 17,900,412,127.14/149,815.20
  6. Step 6: Final answer
    x = 119,483.28

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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.