Home / 79,331.78-118,996.76-26,778.17

Finding the Fourth Proportional to 79,331.78, 118,996.76 and 26,778.17

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Solution

The fourth proportional to 79,331.78, 118,996.76 and 26,778.17 is: 40,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.78 : 118,996.76 = 26,778.17 : x
  2. Step 2: Convert to fraction form
    79,331.78/118,996.76 = 26,778.17/x
  3. Step 3: Cross multiply
    79,331.78x = 118,996.76 × 26,778.17
  4. Step 4: Simplify right side
    79,331.78x = 3,186,515,468.73
  5. Step 5: Solve for x
    x = 3,186,515,468.73/79,331.78
  6. Step 6: Final answer
    x = 40,166.95

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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.