Home / 145,251.68-217,767-75,086.24

Finding the Fourth Proportional to 145,251.68, 217,767 and 75,086.24

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Solution

The fourth proportional to 145,251.68, 217,767 and 75,086.24 is: 112,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,251.68 : 217,767 = 75,086.24 : x
  2. Step 2: Convert to fraction form
    145,251.68/217,767 = 75,086.24/x
  3. Step 3: Cross multiply
    145,251.68x = 217,767 × 75,086.24
  4. Step 4: Simplify right side
    145,251.68x = 16,351,305,226.08
  5. Step 5: Solve for x
    x = 16,351,305,226.08/145,251.68
  6. Step 6: Final answer
    x = 112,572.23

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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.