Home / 90,245.23-124,534.38-49,956.15

Finding the Fourth Proportional to 90,245.23, 124,534.38 and 49,956.15

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Solution

The fourth proportional to 90,245.23, 124,534.38 and 49,956.15 is: 68,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,245.23 : 124,534.38 = 49,956.15 : x
  2. Step 2: Convert to fraction form
    90,245.23/124,534.38 = 49,956.15/x
  3. Step 3: Cross multiply
    90,245.23x = 124,534.38 × 49,956.15
  4. Step 4: Simplify right side
    90,245.23x = 6,221,258,167.44
  5. Step 5: Solve for x
    x = 6,221,258,167.44/90,245.23
  6. Step 6: Final answer
    x = 68,937.25

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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.