Home / 91,899.20-137,775.90-50,346.20

Finding the Fourth Proportional to 91,899.20, 137,775.90 and 50,346.20

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Solution

The fourth proportional to 91,899.20, 137,775.90 and 50,346.20 is: 75,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.20 : 137,775.90 = 50,346.20 : x
  2. Step 2: Convert to fraction form
    91,899.20/137,775.90 = 50,346.20/x
  3. Step 3: Cross multiply
    91,899.20x = 137,775.90 × 50,346.20
  4. Step 4: Simplify right side
    91,899.20x = 6,936,493,016.58
  5. Step 5: Solve for x
    x = 6,936,493,016.58/91,899.20
  6. Step 6: Final answer
    x = 75,479.36

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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.