Home / 81,176.84-121,778.59-25,016.96

Finding the Fourth Proportional to 81,176.84, 121,778.59 and 25,016.96

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Solution

The fourth proportional to 81,176.84, 121,778.59 and 25,016.96 is: 37,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.84 : 121,778.59 = 25,016.96 : x
  2. Step 2: Convert to fraction form
    81,176.84/121,778.59 = 25,016.96/x
  3. Step 3: Cross multiply
    81,176.84x = 121,778.59 × 25,016.96
  4. Step 4: Simplify right side
    81,176.84x = 3,046,530,114.89
  5. Step 5: Solve for x
    x = 3,046,530,114.89/81,176.84
  6. Step 6: Final answer
    x = 37,529.55

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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.