Home / 109,207.30-150,682.83-63,876.43

Finding the Fourth Proportional to 109,207.30, 150,682.83 and 63,876.43

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Solution

The fourth proportional to 109,207.30, 150,682.83 and 63,876.43 is: 88,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.30 : 150,682.83 = 63,876.43 : x
  2. Step 2: Convert to fraction form
    109,207.30/150,682.83 = 63,876.43/x
  3. Step 3: Cross multiply
    109,207.30x = 150,682.83 × 63,876.43
  4. Step 4: Simplify right side
    109,207.30x = 9,625,081,242.70
  5. Step 5: Solve for x
    x = 9,625,081,242.70/109,207.30
  6. Step 6: Final answer
    x = 88,135.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.