Home / 131,753.45-197,635.62-38,259.20

Finding the Fourth Proportional to 131,753.45, 197,635.62 and 38,259.20

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Solution

The fourth proportional to 131,753.45, 197,635.62 and 38,259.20 is: 57,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,753.45 : 197,635.62 = 38,259.20 : x
  2. Step 2: Convert to fraction form
    131,753.45/197,635.62 = 38,259.20/x
  3. Step 3: Cross multiply
    131,753.45x = 197,635.62 × 38,259.20
  4. Step 4: Simplify right side
    131,753.45x = 7,561,379,724.53
  5. Step 5: Solve for x
    x = 7,561,379,724.53/131,753.45
  6. Step 6: Final answer
    x = 57,390.38

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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.