Home / 212,932.80-318,734.73-156,836.25

Finding the Fourth Proportional to 212,932.80, 318,734.73 and 156,836.25

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Solution

The fourth proportional to 212,932.80, 318,734.73 and 156,836.25 is: 234,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,932.80 : 318,734.73 = 156,836.25 : x
  2. Step 2: Convert to fraction form
    212,932.80/318,734.73 = 156,836.25/x
  3. Step 3: Cross multiply
    212,932.80x = 318,734.73 × 156,836.25
  4. Step 4: Simplify right side
    212,932.80x = 49,989,159,797.96
  5. Step 5: Solve for x
    x = 49,989,159,797.96/212,932.80
  6. Step 6: Final answer
    x = 234,764.96

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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.