Home / 149,677.48-224,397-86,425.80

Finding the Fourth Proportional to 149,677.48, 224,397 and 86,425.80

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Solution

The fourth proportional to 149,677.48, 224,397 and 86,425.80 is: 129,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,677.48 : 224,397 = 86,425.80 : x
  2. Step 2: Convert to fraction form
    149,677.48/224,397 = 86,425.80/x
  3. Step 3: Cross multiply
    149,677.48x = 224,397 × 86,425.80
  4. Step 4: Simplify right side
    149,677.48x = 19,393,689,401.11
  5. Step 5: Solve for x
    x = 19,393,689,401.11/149,677.48
  6. Step 6: Final answer
    x = 129,569.85

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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.