Home / 131,359.20-197,052.48-42,609.12

Finding the Fourth Proportional to 131,359.20, 197,052.48 and 42,609.12

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Solution

The fourth proportional to 131,359.20, 197,052.48 and 42,609.12 is: 63,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,359.20 : 197,052.48 = 42,609.12 : x
  2. Step 2: Convert to fraction form
    131,359.20/197,052.48 = 42,609.12/x
  3. Step 3: Cross multiply
    131,359.20x = 197,052.48 × 42,609.12
  4. Step 4: Simplify right side
    131,359.20x = 8,396,232,766.62
  5. Step 5: Solve for x
    x = 8,396,232,766.62/131,359.20
  6. Step 6: Final answer
    x = 63,918.12

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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.