Home / 68,184.17-102,276.33-20,796.75

Finding the Fourth Proportional to 68,184.17, 102,276.33 and 20,796.75

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Solution

The fourth proportional to 68,184.17, 102,276.33 and 20,796.75 is: 31,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.17 : 102,276.33 = 20,796.75 : x
  2. Step 2: Convert to fraction form
    68,184.17/102,276.33 = 20,796.75/x
  3. Step 3: Cross multiply
    68,184.17x = 102,276.33 × 20,796.75
  4. Step 4: Simplify right side
    68,184.17x = 2,127,015,496.69
  5. Step 5: Solve for x
    x = 2,127,015,496.69/68,184.17
  6. Step 6: Final answer
    x = 31,195.15

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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.