Home / 140,454.27-193,845.56-90,299.07

Finding the Fourth Proportional to 140,454.27, 193,845.56 and 90,299.07

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Solution

The fourth proportional to 140,454.27, 193,845.56 and 90,299.07 is: 124,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.27 : 193,845.56 = 90,299.07 : x
  2. Step 2: Convert to fraction form
    140,454.27/193,845.56 = 90,299.07/x
  3. Step 3: Cross multiply
    140,454.27x = 193,845.56 × 90,299.07
  4. Step 4: Simplify right side
    140,454.27x = 17,504,073,340.13
  5. Step 5: Solve for x
    x = 17,504,073,340.13/140,454.27
  6. Step 6: Final answer
    x = 124,624.71

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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.