Home / 90,966.29-136,449.44-27,783.86

Finding the Fourth Proportional to 90,966.29, 136,449.44 and 27,783.86

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Solution

The fourth proportional to 90,966.29, 136,449.44 and 27,783.86 is: 41,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.29 : 136,449.44 = 27,783.86 : x
  2. Step 2: Convert to fraction form
    90,966.29/136,449.44 = 27,783.86/x
  3. Step 3: Cross multiply
    90,966.29x = 136,449.44 × 27,783.86
  4. Step 4: Simplify right side
    90,966.29x = 3,791,092,138.04
  5. Step 5: Solve for x
    x = 3,791,092,138.04/90,966.29
  6. Step 6: Final answer
    x = 41,675.79

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Similar ratio
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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.