Home / 131,452.30-197,129.85-42,708.70

Finding the Fourth Proportional to 131,452.30, 197,129.85 and 42,708.70

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Solution

The fourth proportional to 131,452.30, 197,129.85 and 42,708.70 is: 64,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452.30 : 197,129.85 = 42,708.70 : x
  2. Step 2: Convert to fraction form
    131,452.30/197,129.85 = 42,708.70/x
  3. Step 3: Cross multiply
    131,452.30x = 197,129.85 × 42,708.70
  4. Step 4: Simplify right side
    131,452.30x = 8,419,159,624.70
  5. Step 5: Solve for x
    x = 8,419,159,624.70/131,452.30
  6. Step 6: Final answer
    x = 64,047.26

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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.