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Finding the Fourth Proportional to 180,084.60, 269,961.78 and 69,193.08

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Solution

The fourth proportional to 180,084.60, 269,961.78 and 69,193.08 is: 103,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,084.60 : 269,961.78 = 69,193.08 : x
  2. Step 2: Convert to fraction form
    180,084.60/269,961.78 = 69,193.08/x
  3. Step 3: Cross multiply
    180,084.60x = 269,961.78 × 69,193.08
  4. Step 4: Simplify right side
    180,084.60x = 18,679,487,040.48
  5. Step 5: Solve for x
    x = 18,679,487,040.48/180,084.60
  6. Step 6: Final answer
    x = 103,726.18

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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.