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Finding the Fourth Proportional to 182,859.80, 273,755.10 and 130,371.80

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Solution

The fourth proportional to 182,859.80, 273,755.10 and 130,371.80 is: 195,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,859.80 : 273,755.10 = 130,371.80 : x
  2. Step 2: Convert to fraction form
    182,859.80/273,755.10 = 130,371.80/x
  3. Step 3: Cross multiply
    182,859.80x = 273,755.10 × 130,371.80
  4. Step 4: Simplify right side
    182,859.80x = 35,689,945,146.18
  5. Step 5: Solve for x
    x = 35,689,945,146.18/182,859.80
  6. Step 6: Final answer
    x = 195,176.55

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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.