Home / 127,042.11-175,318.37-69,681.90

Finding the Fourth Proportional to 127,042.11, 175,318.37 and 69,681.90

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Solution

The fourth proportional to 127,042.11, 175,318.37 and 69,681.90 is: 96,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.11 : 175,318.37 = 69,681.90 : x
  2. Step 2: Convert to fraction form
    127,042.11/175,318.37 = 69,681.90/x
  3. Step 3: Cross multiply
    127,042.11x = 175,318.37 × 69,681.90
  4. Step 4: Simplify right side
    127,042.11x = 12,216,516,778.09
  5. Step 5: Solve for x
    x = 12,216,516,778.09/127,042.11
  6. Step 6: Final answer
    x = 96,161.16

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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.