Home / 212,974.95-319,191.03-113,182.95

Finding the Fourth Proportional to 212,974.95, 319,191.03 and 113,182.95

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Solution

The fourth proportional to 212,974.95, 319,191.03 and 113,182.95 is: 169,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,974.95 : 319,191.03 = 113,182.95 : x
  2. Step 2: Convert to fraction form
    212,974.95/319,191.03 = 113,182.95/x
  3. Step 3: Cross multiply
    212,974.95x = 319,191.03 × 113,182.95
  4. Step 4: Simplify right side
    212,974.95x = 36,126,982,388.94
  5. Step 5: Solve for x
    x = 36,126,982,388.94/212,974.95
  6. Step 6: Final answer
    x = 169,630.20

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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.