Home / 127,747.28-176,293.08-74,036

Finding the Fourth Proportional to 127,747.28, 176,293.08 and 74,036

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Solution

The fourth proportional to 127,747.28, 176,293.08 and 74,036 is: 102,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,747.28 : 176,293.08 = 74,036 : x
  2. Step 2: Convert to fraction form
    127,747.28/176,293.08 = 74,036/x
  3. Step 3: Cross multiply
    127,747.28x = 176,293.08 × 74,036
  4. Step 4: Simplify right side
    127,747.28x = 13,052,034,470.88
  5. Step 5: Solve for x
    x = 13,052,034,470.88/127,747.28
  6. Step 6: Final answer
    x = 102,170.74

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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.