Home / 138,427.25-207,666.73-95,331.92

Finding the Fourth Proportional to 138,427.25, 207,666.73 and 95,331.92

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Solution

The fourth proportional to 138,427.25, 207,666.73 and 95,331.92 is: 143,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,427.25 : 207,666.73 = 95,331.92 : x
  2. Step 2: Convert to fraction form
    138,427.25/207,666.73 = 95,331.92/x
  3. Step 3: Cross multiply
    138,427.25x = 207,666.73 × 95,331.92
  4. Step 4: Simplify right side
    138,427.25x = 19,797,267,052.69
  5. Step 5: Solve for x
    x = 19,797,267,052.69/138,427.25
  6. Step 6: Final answer
    x = 143,015.68

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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.