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Finding the Fourth Proportional to 102,700.27, 154,049.46 and 55,337.68

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Solution

The fourth proportional to 102,700.27, 154,049.46 and 55,337.68 is: 83,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,700.27 : 154,049.46 = 55,337.68 : x
  2. Step 2: Convert to fraction form
    102,700.27/154,049.46 = 55,337.68/x
  3. Step 3: Cross multiply
    102,700.27x = 154,049.46 × 55,337.68
  4. Step 4: Simplify right side
    102,700.27x = 8,524,739,721.65
  5. Step 5: Solve for x
    x = 8,524,739,721.65/102,700.27
  6. Step 6: Final answer
    x = 83,006.01

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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.