Home / 215,860.20-323,732.70-75,604.20

Finding the Fourth Proportional to 215,860.20, 323,732.70 and 75,604.20

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Solution

The fourth proportional to 215,860.20, 323,732.70 and 75,604.20 is: 113,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,860.20 : 323,732.70 = 75,604.20 : x
  2. Step 2: Convert to fraction form
    215,860.20/323,732.70 = 75,604.20/x
  3. Step 3: Cross multiply
    215,860.20x = 323,732.70 × 75,604.20
  4. Step 4: Simplify right side
    215,860.20x = 24,475,551,797.34
  5. Step 5: Solve for x
    x = 24,475,551,797.34/215,860.20
  6. Step 6: Final answer
    x = 113,386.13

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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.