Home / 109,942.26-151,694.15-66,921.29

Finding the Fourth Proportional to 109,942.26, 151,694.15 and 66,921.29

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Solution

The fourth proportional to 109,942.26, 151,694.15 and 66,921.29 is: 92,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.26 : 151,694.15 = 66,921.29 : x
  2. Step 2: Convert to fraction form
    109,942.26/151,694.15 = 66,921.29/x
  3. Step 3: Cross multiply
    109,942.26x = 151,694.15 × 66,921.29
  4. Step 4: Simplify right side
    109,942.26x = 10,151,568,337.99
  5. Step 5: Solve for x
    x = 10,151,568,337.99/109,942.26
  6. Step 6: Final answer
    x = 92,335.45

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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.