Home / 203,122.29-280,305.33-112,476.32

Finding the Fourth Proportional to 203,122.29, 280,305.33 and 112,476.32

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Solution

The fourth proportional to 203,122.29, 280,305.33 and 112,476.32 is: 155,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,122.29 : 280,305.33 = 112,476.32 : x
  2. Step 2: Convert to fraction form
    203,122.29/280,305.33 = 112,476.32/x
  3. Step 3: Cross multiply
    203,122.29x = 280,305.33 × 112,476.32
  4. Step 4: Simplify right side
    203,122.29x = 31,527,711,222.62
  5. Step 5: Solve for x
    x = 31,527,711,222.62/203,122.29
  6. Step 6: Final answer
    x = 155,215.42

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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.