Home / 220,243.32-303,957.18-123,463.62

Finding the Fourth Proportional to 220,243.32, 303,957.18 and 123,463.62

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Solution

The fourth proportional to 220,243.32, 303,957.18 and 123,463.62 is: 170,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243.32 : 303,957.18 = 123,463.62 : x
  2. Step 2: Convert to fraction form
    220,243.32/303,957.18 = 123,463.62/x
  3. Step 3: Cross multiply
    220,243.32x = 303,957.18 × 123,463.62
  4. Step 4: Simplify right side
    220,243.32x = 37,527,653,767.79
  5. Step 5: Solve for x
    x = 37,527,653,767.79/220,243.32
  6. Step 6: Final answer
    x = 170,391.79

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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.