Home / 91,998.20-137,924.40-50,445.20

Finding the Fourth Proportional to 91,998.20, 137,924.40 and 50,445.20

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Solution

The fourth proportional to 91,998.20, 137,924.40 and 50,445.20 is: 75,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998.20 : 137,924.40 = 50,445.20 : x
  2. Step 2: Convert to fraction form
    91,998.20/137,924.40 = 50,445.20/x
  3. Step 3: Cross multiply
    91,998.20x = 137,924.40 × 50,445.20
  4. Step 4: Simplify right side
    91,998.20x = 6,957,623,942.88
  5. Step 5: Solve for x
    x = 6,957,623,942.88/91,998.20
  6. Step 6: Final answer
    x = 75,627.83

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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.