Home / 127,732.41-176,268.44-71,142.57

Finding the Fourth Proportional to 127,732.41, 176,268.44 and 71,142.57

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Solution

The fourth proportional to 127,732.41, 176,268.44 and 71,142.57 is: 98,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,732.41 : 176,268.44 = 71,142.57 : x
  2. Step 2: Convert to fraction form
    127,732.41/176,268.44 = 71,142.57/x
  3. Step 3: Cross multiply
    127,732.41x = 176,268.44 × 71,142.57
  4. Step 4: Simplify right side
    127,732.41x = 12,540,189,475.78
  5. Step 5: Solve for x
    x = 12,540,189,475.78/127,732.41
  6. Step 6: Final answer
    x = 98,175.47

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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.