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Finding the Fourth Proportional to 101,452.28, 152,049.02 and 48,144.15

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Solution

The fourth proportional to 101,452.28, 152,049.02 and 48,144.15 is: 72,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,452.28 : 152,049.02 = 48,144.15 : x
  2. Step 2: Convert to fraction form
    101,452.28/152,049.02 = 48,144.15/x
  3. Step 3: Cross multiply
    101,452.28x = 152,049.02 × 48,144.15
  4. Step 4: Simplify right side
    101,452.28x = 7,320,270,585.51
  5. Step 5: Solve for x
    x = 7,320,270,585.51/101,452.28
  6. Step 6: Final answer
    x = 72,154.82

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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.