Home / 220,147.30-329,832.15-136,944.10

Finding the Fourth Proportional to 220,147.30, 329,832.15 and 136,944.10

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Solution

The fourth proportional to 220,147.30, 329,832.15 and 136,944.10 is: 205,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,147.30 : 329,832.15 = 136,944.10 : x
  2. Step 2: Convert to fraction form
    220,147.30/329,832.15 = 136,944.10/x
  3. Step 3: Cross multiply
    220,147.30x = 329,832.15 × 136,944.10
  4. Step 4: Simplify right side
    220,147.30x = 45,168,566,932.82
  5. Step 5: Solve for x
    x = 45,168,566,932.82/220,147.30
  6. Step 6: Final answer
    x = 205,174.29

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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.