Home / 90,921.66-136,382.22-40,943.24

Finding the Fourth Proportional to 90,921.66, 136,382.22 and 40,943.24

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Solution

The fourth proportional to 90,921.66, 136,382.22 and 40,943.24 is: 61,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,921.66 : 136,382.22 = 40,943.24 : x
  2. Step 2: Convert to fraction form
    90,921.66/136,382.22 = 40,943.24/x
  3. Step 3: Cross multiply
    90,921.66x = 136,382.22 × 40,943.24
  4. Step 4: Simplify right side
    90,921.66x = 5,583,929,965.19
  5. Step 5: Solve for x
    x = 5,583,929,965.19/90,921.66
  6. Step 6: Final answer
    x = 61,414.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.