Home / 90,452.78-124,818.62-50,162.76

Finding the Fourth Proportional to 90,452.78, 124,818.62 and 50,162.76

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Solution

The fourth proportional to 90,452.78, 124,818.62 and 50,162.76 is: 69,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.78 : 124,818.62 = 50,162.76 : x
  2. Step 2: Convert to fraction form
    90,452.78/124,818.62 = 50,162.76/x
  3. Step 3: Cross multiply
    90,452.78x = 124,818.62 × 50,162.76
  4. Step 4: Simplify right side
    90,452.78x = 6,261,246,478.59
  5. Step 5: Solve for x
    x = 6,261,246,478.59/90,452.78
  6. Step 6: Final answer
    x = 69,221.16

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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.