Home / 155,780.88-214,836.48-102,046.29

Finding the Fourth Proportional to 155,780.88, 214,836.48 and 102,046.29

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Solution

The fourth proportional to 155,780.88, 214,836.48 and 102,046.29 is: 140,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,780.88 : 214,836.48 = 102,046.29 : x
  2. Step 2: Convert to fraction form
    155,780.88/214,836.48 = 102,046.29/x
  3. Step 3: Cross multiply
    155,780.88x = 214,836.48 × 102,046.29
  4. Step 4: Simplify right side
    155,780.88x = 21,923,265,740.66
  5. Step 5: Solve for x
    x = 21,923,265,740.66/155,780.88
  6. Step 6: Final answer
    x = 140,731.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.