Home / 90,503.32-135,729.46-27,306.32

Finding the Fourth Proportional to 90,503.32, 135,729.46 and 27,306.32

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Solution

The fourth proportional to 90,503.32, 135,729.46 and 27,306.32 is: 40,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.32 : 135,729.46 = 27,306.32 : x
  2. Step 2: Convert to fraction form
    90,503.32/135,729.46 = 27,306.32/x
  3. Step 3: Cross multiply
    90,503.32x = 135,729.46 × 27,306.32
  4. Step 4: Simplify right side
    90,503.32x = 3,706,272,068.19
  5. Step 5: Solve for x
    x = 3,706,272,068.19/90,503.32
  6. Step 6: Final answer
    x = 40,951.78

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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.