Home / 129,973.40-194,652.90-88,194.20

Finding the Fourth Proportional to 129,973.40, 194,652.90 and 88,194.20

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Solution

The fourth proportional to 129,973.40, 194,652.90 and 88,194.20 is: 132,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.40 : 194,652.90 = 88,194.20 : x
  2. Step 2: Convert to fraction form
    129,973.40/194,652.90 = 88,194.20/x
  3. Step 3: Cross multiply
    129,973.40x = 194,652.90 × 88,194.20
  4. Step 4: Simplify right side
    129,973.40x = 17,167,256,793.18
  5. Step 5: Solve for x
    x = 17,167,256,793.18/129,973.40
  6. Step 6: Final answer
    x = 132,082.85

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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.