Home / 268,785.75-370,916.46-147,926.97

Finding the Fourth Proportional to 268,785.75, 370,916.46 and 147,926.97

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Solution

The fourth proportional to 268,785.75, 370,916.46 and 147,926.97 is: 204,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,785.75 : 370,916.46 = 147,926.97 : x
  2. Step 2: Convert to fraction form
    268,785.75/370,916.46 = 147,926.97/x
  3. Step 3: Cross multiply
    268,785.75x = 370,916.46 × 147,926.97
  4. Step 4: Simplify right side
    268,785.75x = 54,868,548,050.93
  5. Step 5: Solve for x
    x = 54,868,548,050.93/268,785.75
  6. Step 6: Final answer
    x = 204,134.88

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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.