Home / 138,633.29-207,951.57-48,678.26

Finding the Fourth Proportional to 138,633.29, 207,951.57 and 48,678.26

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Solution

The fourth proportional to 138,633.29, 207,951.57 and 48,678.26 is: 73,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,633.29 : 207,951.57 = 48,678.26 : x
  2. Step 2: Convert to fraction form
    138,633.29/207,951.57 = 48,678.26/x
  3. Step 3: Cross multiply
    138,633.29x = 207,951.57 × 48,678.26
  4. Step 4: Simplify right side
    138,633.29x = 10,122,719,552.11
  5. Step 5: Solve for x
    x = 10,122,719,552.11/138,633.29
  6. Step 6: Final answer
    x = 73,017.96

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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.