Home / 115,540.88-159,419.07-67,114.04

Finding the Fourth Proportional to 115,540.88, 159,419.07 and 67,114.04

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Solution

The fourth proportional to 115,540.88, 159,419.07 and 67,114.04 is: 92,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540.88 : 159,419.07 = 67,114.04 : x
  2. Step 2: Convert to fraction form
    115,540.88/159,419.07 = 67,114.04/x
  3. Step 3: Cross multiply
    115,540.88x = 159,419.07 × 67,114.04
  4. Step 4: Simplify right side
    115,540.88x = 10,699,257,043.65
  5. Step 5: Solve for x
    x = 10,699,257,043.65/115,540.88
  6. Step 6: Final answer
    x = 92,601.49

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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.