Home / 68,177.19-102,265.50-20,792.14

Finding the Fourth Proportional to 68,177.19, 102,265.50 and 20,792.14

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Solution

The fourth proportional to 68,177.19, 102,265.50 and 20,792.14 is: 31,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.19 : 102,265.50 = 20,792.14 : x
  2. Step 2: Convert to fraction form
    68,177.19/102,265.50 = 20,792.14/x
  3. Step 3: Cross multiply
    68,177.19x = 102,265.50 × 20,792.14
  4. Step 4: Simplify right side
    68,177.19x = 2,126,317,977.88
  5. Step 5: Solve for x
    x = 2,126,317,977.88/68,177.19
  6. Step 6: Final answer
    x = 31,188.11

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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.