Home / 367,764.90-551,647.35-131,115.30

Finding the Fourth Proportional to 367,764.90, 551,647.35 and 131,115.30

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Solution

The fourth proportional to 367,764.90, 551,647.35 and 131,115.30 is: 196,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,764.90 : 551,647.35 = 131,115.30 : x
  2. Step 2: Convert to fraction form
    367,764.90/551,647.35 = 131,115.30/x
  3. Step 3: Cross multiply
    367,764.90x = 551,647.35 × 131,115.30
  4. Step 4: Simplify right side
    367,764.90x = 72,329,407,789.46
  5. Step 5: Solve for x
    x = 72,329,407,789.46/367,764.90
  6. Step 6: Final answer
    x = 196,672.95

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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.