Home / 149,735.20-224,244.73-86,363.21

Finding the Fourth Proportional to 149,735.20, 224,244.73 and 86,363.21

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Solution

The fourth proportional to 149,735.20, 224,244.73 and 86,363.21 is: 129,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,735.20 : 224,244.73 = 86,363.21 : x
  2. Step 2: Convert to fraction form
    149,735.20/224,244.73 = 86,363.21/x
  3. Step 3: Cross multiply
    149,735.20x = 224,244.73 × 86,363.21
  4. Step 4: Simplify right side
    149,735.20x = 19,366,494,708.38
  5. Step 5: Solve for x
    x = 19,366,494,708.38/149,735.20
  6. Step 6: Final answer
    x = 129,338.29

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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.