Home / 68,032.27-102,046.52-18,112.80

Finding the Fourth Proportional to 68,032.27, 102,046.52 and 18,112.80

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Solution

The fourth proportional to 68,032.27, 102,046.52 and 18,112.80 is: 27,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.27 : 102,046.52 = 18,112.80 : x
  2. Step 2: Convert to fraction form
    68,032.27/102,046.52 = 18,112.80/x
  3. Step 3: Cross multiply
    68,032.27x = 102,046.52 × 18,112.80
  4. Step 4: Simplify right side
    68,032.27x = 1,848,348,207.46
  5. Step 5: Solve for x
    x = 1,848,348,207.46/68,032.27
  6. Step 6: Final answer
    x = 27,168.70

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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.