Home / 215,211.90-322,815.18-96,799.62

Finding the Fourth Proportional to 215,211.90, 322,815.18 and 96,799.62

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Solution

The fourth proportional to 215,211.90, 322,815.18 and 96,799.62 is: 145,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,211.90 : 322,815.18 = 96,799.62 : x
  2. Step 2: Convert to fraction form
    215,211.90/322,815.18 = 96,799.62/x
  3. Step 3: Cross multiply
    215,211.90x = 322,815.18 × 96,799.62
  4. Step 4: Simplify right side
    215,211.90x = 31,248,386,754.23
  5. Step 5: Solve for x
    x = 31,248,386,754.23/215,211.90
  6. Step 6: Final answer
    x = 145,198.23

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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.