Home / 78,252.81-117,377.13-22,096.80

Finding the Fourth Proportional to 78,252.81, 117,377.13 and 22,096.80

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Solution

The fourth proportional to 78,252.81, 117,377.13 and 22,096.80 is: 33,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252.81 : 117,377.13 = 22,096.80 : x
  2. Step 2: Convert to fraction form
    78,252.81/117,377.13 = 22,096.80/x
  3. Step 3: Cross multiply
    78,252.81x = 117,377.13 × 22,096.80
  4. Step 4: Simplify right side
    78,252.81x = 2,593,658,966.18
  5. Step 5: Solve for x
    x = 2,593,658,966.18/78,252.81
  6. Step 6: Final answer
    x = 33,144.61

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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.