Home / 138,429.25-207,669.73-95,333.92

Finding the Fourth Proportional to 138,429.25, 207,669.73 and 95,333.92

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Solution

The fourth proportional to 138,429.25, 207,669.73 and 95,333.92 is: 143,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,429.25 : 207,669.73 = 95,333.92 : x
  2. Step 2: Convert to fraction form
    138,429.25/207,669.73 = 95,333.92/x
  3. Step 3: Cross multiply
    138,429.25x = 207,669.73 × 95,333.92
  4. Step 4: Simplify right side
    138,429.25x = 19,797,969,426.24
  5. Step 5: Solve for x
    x = 19,797,969,426.24/138,429.25
  6. Step 6: Final answer
    x = 143,018.69

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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.