Home / 138,242.08-207,256.56-44,722.72

Finding the Fourth Proportional to 138,242.08, 207,256.56 and 44,722.72

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Solution

The fourth proportional to 138,242.08, 207,256.56 and 44,722.72 is: 67,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,242.08 : 207,256.56 = 44,722.72 : x
  2. Step 2: Convert to fraction form
    138,242.08/207,256.56 = 44,722.72/x
  3. Step 3: Cross multiply
    138,242.08x = 207,256.56 × 44,722.72
  4. Step 4: Simplify right side
    138,242.08x = 9,269,077,101.04
  5. Step 5: Solve for x
    x = 9,269,077,101.04/138,242.08
  6. Step 6: Final answer
    x = 67,049.61

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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.