Home / 109,140.26-150,612.57-61,393.97

Finding the Fourth Proportional to 109,140.26, 150,612.57 and 61,393.97

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Solution

The fourth proportional to 109,140.26, 150,612.57 and 61,393.97 is: 84,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,140.26 : 150,612.57 = 61,393.97 : x
  2. Step 2: Convert to fraction form
    109,140.26/150,612.57 = 61,393.97/x
  3. Step 3: Cross multiply
    109,140.26x = 150,612.57 × 61,393.97
  4. Step 4: Simplify right side
    109,140.26x = 9,246,703,604.20
  5. Step 5: Solve for x
    x = 9,246,703,604.20/109,140.26
  6. Step 6: Final answer
    x = 84,723.12

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1.5x scale

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.