Home / 79,350.74-119,025.57-20,185.88

Finding the Fourth Proportional to 79,350.74, 119,025.57 and 20,185.88

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Solution

The fourth proportional to 79,350.74, 119,025.57 and 20,185.88 is: 30,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.74 : 119,025.57 = 20,185.88 : x
  2. Step 2: Convert to fraction form
    79,350.74/119,025.57 = 20,185.88/x
  3. Step 3: Cross multiply
    79,350.74x = 119,025.57 × 20,185.88
  4. Step 4: Simplify right side
    79,350.74x = 2,402,635,872.95
  5. Step 5: Solve for x
    x = 2,402,635,872.95/79,350.74
  6. Step 6: Final answer
    x = 30,278.68

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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.