Home / 212,517.89-318,628.87-94,125.05

Finding the Fourth Proportional to 212,517.89, 318,628.87 and 94,125.05

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Solution

The fourth proportional to 212,517.89, 318,628.87 and 94,125.05 is: 141,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,517.89 : 318,628.87 = 94,125.05 : x
  2. Step 2: Convert to fraction form
    212,517.89/318,628.87 = 94,125.05/x
  3. Step 3: Cross multiply
    212,517.89x = 318,628.87 × 94,125.05
  4. Step 4: Simplify right side
    212,517.89x = 29,990,958,320.19
  5. Step 5: Solve for x
    x = 29,990,958,320.19/212,517.89
  6. Step 6: Final answer
    x = 141,122.04

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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.