Home / 79,244.45-118,866.48-20,079.95

Finding the Fourth Proportional to 79,244.45, 118,866.48 and 20,079.95

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Solution

The fourth proportional to 79,244.45, 118,866.48 and 20,079.95 is: 30,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.45 : 118,866.48 = 20,079.95 : x
  2. Step 2: Convert to fraction form
    79,244.45/118,866.48 = 20,079.95/x
  3. Step 3: Cross multiply
    79,244.45x = 118,866.48 × 20,079.95
  4. Step 4: Simplify right side
    79,244.45x = 2,386,832,380.74
  5. Step 5: Solve for x
    x = 2,386,832,380.74/79,244.45
  6. Step 6: Final answer
    x = 30,119.87

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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.