Home / 138,550.34-207,495.61-88,475.33

Finding the Fourth Proportional to 138,550.34, 207,495.61 and 88,475.33

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Solution

The fourth proportional to 138,550.34, 207,495.61 and 88,475.33 is: 132,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,550.34 : 207,495.61 = 88,475.33 : x
  2. Step 2: Convert to fraction form
    138,550.34/207,495.61 = 88,475.33/x
  3. Step 3: Cross multiply
    138,550.34x = 207,495.61 × 88,475.33
  4. Step 4: Simplify right side
    138,550.34x = 18,358,242,568.30
  5. Step 5: Solve for x
    x = 18,358,242,568.30/138,550.34
  6. Step 6: Final answer
    x = 132,502.33

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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.