Home / 124,749.28-172,154.03-68,160.66

Finding the Fourth Proportional to 124,749.28, 172,154.03 and 68,160.66

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Solution

The fourth proportional to 124,749.28, 172,154.03 and 68,160.66 is: 94,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,749.28 : 172,154.03 = 68,160.66 : x
  2. Step 2: Convert to fraction form
    124,749.28/172,154.03 = 68,160.66/x
  3. Step 3: Cross multiply
    124,749.28x = 172,154.03 × 68,160.66
  4. Step 4: Simplify right side
    124,749.28x = 11,734,131,320.08
  5. Step 5: Solve for x
    x = 11,734,131,320.08/124,749.28
  6. Step 6: Final answer
    x = 94,061.71

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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.