Home / 100,244.27-138,337.08-54,923.97

Finding the Fourth Proportional to 100,244.27, 138,337.08 and 54,923.97

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Solution

The fourth proportional to 100,244.27, 138,337.08 and 54,923.97 is: 75,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.27 : 138,337.08 = 54,923.97 : x
  2. Step 2: Convert to fraction form
    100,244.27/138,337.08 = 54,923.97/x
  3. Step 3: Cross multiply
    100,244.27x = 138,337.08 × 54,923.97
  4. Step 4: Simplify right side
    100,244.27x = 7,598,020,940.12
  5. Step 5: Solve for x
    x = 7,598,020,940.12/100,244.27
  6. Step 6: Final answer
    x = 75,795.07

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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.