Home / 131,575.20-197,362.56-38,080.80

Finding the Fourth Proportional to 131,575.20, 197,362.56 and 38,080.80

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Solution

The fourth proportional to 131,575.20, 197,362.56 and 38,080.80 is: 57,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.20 : 197,362.56 = 38,080.80 : x
  2. Step 2: Convert to fraction form
    131,575.20/197,362.56 = 38,080.80/x
  3. Step 3: Cross multiply
    131,575.20x = 197,362.56 × 38,080.80
  4. Step 4: Simplify right side
    131,575.20x = 7,515,724,174.85
  5. Step 5: Solve for x
    x = 7,515,724,174.85/131,575.20
  6. Step 6: Final answer
    x = 57,121.13

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1.5x scale

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.