Home / 109,223.64-150,757.11-66,817.71

Finding the Fourth Proportional to 109,223.64, 150,757.11 and 66,817.71

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Solution

The fourth proportional to 109,223.64, 150,757.11 and 66,817.71 is: 92,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,223.64 : 150,757.11 = 66,817.71 : x
  2. Step 2: Convert to fraction form
    109,223.64/150,757.11 = 66,817.71/x
  3. Step 3: Cross multiply
    109,223.64x = 150,757.11 × 66,817.71
  4. Step 4: Simplify right side
    109,223.64x = 10,073,244,856.42
  5. Step 5: Solve for x
    x = 10,073,244,856.42/109,223.64
  6. Step 6: Final answer
    x = 92,225.87

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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.