Home / 79,194.28-118,779.03-25,885.85

Finding the Fourth Proportional to 79,194.28, 118,779.03 and 25,885.85

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Solution

The fourth proportional to 79,194.28, 118,779.03 and 25,885.85 is: 38,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.28 : 118,779.03 = 25,885.85 : x
  2. Step 2: Convert to fraction form
    79,194.28/118,779.03 = 25,885.85/x
  3. Step 3: Cross multiply
    79,194.28x = 118,779.03 × 25,885.85
  4. Step 4: Simplify right side
    79,194.28x = 3,074,696,153.73
  5. Step 5: Solve for x
    x = 3,074,696,153.73/79,194.28
  6. Step 6: Final answer
    x = 38,824.73

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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.