Home / 138,451.13-207,676.67-33,270.10

Finding the Fourth Proportional to 138,451.13, 207,676.67 and 33,270.10

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Solution

The fourth proportional to 138,451.13, 207,676.67 and 33,270.10 is: 49,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,451.13 : 207,676.67 = 33,270.10 : x
  2. Step 2: Convert to fraction form
    138,451.13/207,676.67 = 33,270.10/x
  3. Step 3: Cross multiply
    138,451.13x = 207,676.67 × 33,270.10
  4. Step 4: Simplify right side
    138,451.13x = 6,909,423,578.57
  5. Step 5: Solve for x
    x = 6,909,423,578.57/138,451.13
  6. Step 6: Final answer
    x = 49,905.14

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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.