Home / 127,517.49-175,695.08-84,423.87

Finding the Fourth Proportional to 127,517.49, 175,695.08 and 84,423.87

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Solution

The fourth proportional to 127,517.49, 175,695.08 and 84,423.87 is: 116,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.49 : 175,695.08 = 84,423.87 : x
  2. Step 2: Convert to fraction form
    127,517.49/175,695.08 = 84,423.87/x
  3. Step 3: Cross multiply
    127,517.49x = 175,695.08 × 84,423.87
  4. Step 4: Simplify right side
    127,517.49x = 14,832,858,171.44
  5. Step 5: Solve for x
    x = 14,832,858,171.44/127,517.49
  6. Step 6: Final answer
    x = 116,320.19

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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.