Home / 215,389.44-323,061.12-75,150.72

Finding the Fourth Proportional to 215,389.44, 323,061.12 and 75,150.72

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Solution

The fourth proportional to 215,389.44, 323,061.12 and 75,150.72 is: 112,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,389.44 : 323,061.12 = 75,150.72 : x
  2. Step 2: Convert to fraction form
    215,389.44/323,061.12 = 75,150.72/x
  3. Step 3: Cross multiply
    215,389.44x = 323,061.12 × 75,150.72
  4. Step 4: Simplify right side
    215,389.44x = 24,278,275,772.01
  5. Step 5: Solve for x
    x = 24,278,275,772.01/215,389.44
  6. Step 6: Final answer
    x = 112,718.04

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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.