Home / 130,330.38-179,849.07-73,732.62

Finding the Fourth Proportional to 130,330.38, 179,849.07 and 73,732.62

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Solution

The fourth proportional to 130,330.38, 179,849.07 and 73,732.62 is: 101,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,330.38 : 179,849.07 = 73,732.62 : x
  2. Step 2: Convert to fraction form
    130,330.38/179,849.07 = 73,732.62/x
  3. Step 3: Cross multiply
    130,330.38x = 179,849.07 × 73,732.62
  4. Step 4: Simplify right side
    130,330.38x = 13,260,743,135.66
  5. Step 5: Solve for x
    x = 13,260,743,135.66/130,330.38
  6. Step 6: Final answer
    x = 101,747.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.