Home / 127,734.56-176,275.40-71,145.93

Finding the Fourth Proportional to 127,734.56, 176,275.40 and 71,145.93

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Solution

The fourth proportional to 127,734.56, 176,275.40 and 71,145.93 is: 98,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,734.56 : 176,275.40 = 71,145.93 : x
  2. Step 2: Convert to fraction form
    127,734.56/176,275.40 = 71,145.93/x
  3. Step 3: Cross multiply
    127,734.56x = 176,275.40 × 71,145.93
  4. Step 4: Simplify right side
    127,734.56x = 12,541,277,269.12
  5. Step 5: Solve for x
    x = 12,541,277,269.12/127,734.56
  6. Step 6: Final answer
    x = 98,182.33

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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.