Home / 126,844.72-175,047-76,534

Finding the Fourth Proportional to 126,844.72, 175,047 and 76,534

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Solution

The fourth proportional to 126,844.72, 175,047 and 76,534 is: 105,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.72 : 175,047 = 76,534 : x
  2. Step 2: Convert to fraction form
    126,844.72/175,047 = 76,534/x
  3. Step 3: Cross multiply
    126,844.72x = 175,047 × 76,534
  4. Step 4: Simplify right side
    126,844.72x = 13,397,047,098
  5. Step 5: Solve for x
    x = 13,397,047,098/126,844.72
  6. Step 6: Final answer
    x = 105,617.70

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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.