Home / 91,738.68-137,608.14-25,179.72

Finding the Fourth Proportional to 91,738.68, 137,608.14 and 25,179.72

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Solution

The fourth proportional to 91,738.68, 137,608.14 and 25,179.72 is: 37,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738.68 : 137,608.14 = 25,179.72 : x
  2. Step 2: Convert to fraction form
    91,738.68/137,608.14 = 25,179.72/x
  3. Step 3: Cross multiply
    91,738.68x = 137,608.14 × 25,179.72
  4. Step 4: Simplify right side
    91,738.68x = 3,464,934,434.92
  5. Step 5: Solve for x
    x = 3,464,934,434.92/91,738.68
  6. Step 6: Final answer
    x = 37,769.61

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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.