Home / 90,481.88-124,864.14-50,195.72

Finding the Fourth Proportional to 90,481.88, 124,864.14 and 50,195.72

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Solution

The fourth proportional to 90,481.88, 124,864.14 and 50,195.72 is: 69,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,481.88 : 124,864.14 = 50,195.72 : x
  2. Step 2: Convert to fraction form
    90,481.88/124,864.14 = 50,195.72/x
  3. Step 3: Cross multiply
    90,481.88x = 124,864.14 × 50,195.72
  4. Step 4: Simplify right side
    90,481.88x = 6,267,645,409.48
  5. Step 5: Solve for x
    x = 6,267,645,409.48/90,481.88
  6. Step 6: Final answer
    x = 69,269.62

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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.