Home / 127,675.28-176,181-71,091.92

Finding the Fourth Proportional to 127,675.28, 176,181 and 71,091.92

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Solution

The fourth proportional to 127,675.28, 176,181 and 71,091.92 is: 98,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.28 : 176,181 = 71,091.92 : x
  2. Step 2: Convert to fraction form
    127,675.28/176,181 = 71,091.92/x
  3. Step 3: Cross multiply
    127,675.28x = 176,181 × 71,091.92
  4. Step 4: Simplify right side
    127,675.28x = 12,525,045,557.52
  5. Step 5: Solve for x
    x = 12,525,045,557.52/127,675.28
  6. Step 6: Final answer
    x = 98,100.79

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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.