Home / 124,944.38-172,423.36-68,355.76

Finding the Fourth Proportional to 124,944.38, 172,423.36 and 68,355.76

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Solution

The fourth proportional to 124,944.38, 172,423.36 and 68,355.76 is: 94,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.38 : 172,423.36 = 68,355.76 : x
  2. Step 2: Convert to fraction form
    124,944.38/172,423.36 = 68,355.76/x
  3. Step 3: Cross multiply
    124,944.38x = 172,423.36 × 68,355.76
  4. Step 4: Simplify right side
    124,944.38x = 11,786,129,554.38
  5. Step 5: Solve for x
    x = 11,786,129,554.38/124,944.38
  6. Step 6: Final answer
    x = 94,331.01

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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.