Home / 90,222.26-135,308.61-50,191.92

Finding the Fourth Proportional to 90,222.26, 135,308.61 and 50,191.92

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Solution

The fourth proportional to 90,222.26, 135,308.61 and 50,191.92 is: 75,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.26 : 135,308.61 = 50,191.92 : x
  2. Step 2: Convert to fraction form
    90,222.26/135,308.61 = 50,191.92/x
  3. Step 3: Cross multiply
    90,222.26x = 135,308.61 × 50,191.92
  4. Step 4: Simplify right side
    90,222.26x = 6,791,398,928.43
  5. Step 5: Solve for x
    x = 6,791,398,928.43/90,222.26
  6. Step 6: Final answer
    x = 75,274.10

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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.