Home / 215,170.11-322,065.05-115,080.03

Finding the Fourth Proportional to 215,170.11, 322,065.05 and 115,080.03

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Solution

The fourth proportional to 215,170.11, 322,065.05 and 115,080.03 is: 172,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,170.11 : 322,065.05 = 115,080.03 : x
  2. Step 2: Convert to fraction form
    215,170.11/322,065.05 = 115,080.03/x
  3. Step 3: Cross multiply
    215,170.11x = 322,065.05 × 115,080.03
  4. Step 4: Simplify right side
    215,170.11x = 37,063,255,040.55
  5. Step 5: Solve for x
    x = 37,063,255,040.55/215,170.11
  6. Step 6: Final answer
    x = 172,250.95

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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.