Home / 212,949.06-319,423.77-119,520.42

Finding the Fourth Proportional to 212,949.06, 319,423.77 and 119,520.42

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Solution

The fourth proportional to 212,949.06, 319,423.77 and 119,520.42 is: 179,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,949.06 : 319,423.77 = 119,520.42 : x
  2. Step 2: Convert to fraction form
    212,949.06/319,423.77 = 119,520.42/x
  3. Step 3: Cross multiply
    212,949.06x = 319,423.77 × 119,520.42
  4. Step 4: Simplify right side
    212,949.06x = 38,177,663,148.38
  5. Step 5: Solve for x
    x = 38,177,663,148.38/212,949.06
  6. Step 6: Final answer
    x = 179,280.73

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1.5x scale

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.