Home / 230,976.38-318,738.42-144,981.56

Finding the Fourth Proportional to 230,976.38, 318,738.42 and 144,981.56

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Solution

The fourth proportional to 230,976.38, 318,738.42 and 144,981.56 is: 200,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,976.38 : 318,738.42 = 144,981.56 : x
  2. Step 2: Convert to fraction form
    230,976.38/318,738.42 = 144,981.56/x
  3. Step 3: Cross multiply
    230,976.38x = 318,738.42 × 144,981.56
  4. Step 4: Simplify right side
    230,976.38x = 46,211,194,160.38
  5. Step 5: Solve for x
    x = 46,211,194,160.38/230,976.38
  6. Step 6: Final answer
    x = 200,068.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.