Home / 207,292.12-311,036.52-88,997.20

Finding the Fourth Proportional to 207,292.12, 311,036.52 and 88,997.20

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Solution

The fourth proportional to 207,292.12, 311,036.52 and 88,997.20 is: 133,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,292.12 : 311,036.52 = 88,997.20 : x
  2. Step 2: Convert to fraction form
    207,292.12/311,036.52 = 88,997.20/x
  3. Step 3: Cross multiply
    207,292.12x = 311,036.52 × 88,997.20
  4. Step 4: Simplify right side
    207,292.12x = 27,681,379,377.74
  5. Step 5: Solve for x
    x = 27,681,379,377.74/207,292.12
  6. Step 6: Final answer
    x = 133,538.02

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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.