Home / 133,200.24-199,844.64-88,702.08

Finding the Fourth Proportional to 133,200.24, 199,844.64 and 88,702.08

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Solution

The fourth proportional to 133,200.24, 199,844.64 and 88,702.08 is: 133,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,200.24 : 199,844.64 = 88,702.08 : x
  2. Step 2: Convert to fraction form
    133,200.24/199,844.64 = 88,702.08/x
  3. Step 3: Cross multiply
    133,200.24x = 199,844.64 × 88,702.08
  4. Step 4: Simplify right side
    133,200.24x = 17,726,635,244.85
  5. Step 5: Solve for x
    x = 17,726,635,244.85/133,200.24
  6. Step 6: Final answer
    x = 133,082.61

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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.