Home / 149,876.10-224,778.15-86,559.30

Finding the Fourth Proportional to 149,876.10, 224,778.15 and 86,559.30

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Solution

The fourth proportional to 149,876.10, 224,778.15 and 86,559.30 is: 129,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,876.10 : 224,778.15 = 86,559.30 : x
  2. Step 2: Convert to fraction form
    149,876.10/224,778.15 = 86,559.30/x
  3. Step 3: Cross multiply
    149,876.10x = 224,778.15 × 86,559.30
  4. Step 4: Simplify right side
    149,876.10x = 19,456,639,319.30
  5. Step 5: Solve for x
    x = 19,456,639,319.30/149,876.10
  6. Step 6: Final answer
    x = 129,818.16

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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.