Home / 212,470.74-318,902.94-107,363.52

Finding the Fourth Proportional to 212,470.74, 318,902.94 and 107,363.52

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Solution

The fourth proportional to 212,470.74, 318,902.94 and 107,363.52 is: 161,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,470.74 : 318,902.94 = 107,363.52 : x
  2. Step 2: Convert to fraction form
    212,470.74/318,902.94 = 107,363.52/x
  3. Step 3: Cross multiply
    212,470.74x = 318,902.94 × 107,363.52
  4. Step 4: Simplify right side
    212,470.74x = 34,238,542,176.75
  5. Step 5: Solve for x
    x = 34,238,542,176.75/212,470.74
  6. Step 6: Final answer
    x = 161,144.74

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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.