Home / 255,934.95-383,902.35-137,443.29

Finding the Fourth Proportional to 255,934.95, 383,902.35 and 137,443.29

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Solution

The fourth proportional to 255,934.95, 383,902.35 and 137,443.29 is: 206,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,934.95 : 383,902.35 = 137,443.29 : x
  2. Step 2: Convert to fraction form
    255,934.95/383,902.35 = 137,443.29/x
  3. Step 3: Cross multiply
    255,934.95x = 383,902.35 × 137,443.29
  4. Step 4: Simplify right side
    255,934.95x = 52,764,802,022.73
  5. Step 5: Solve for x
    x = 52,764,802,022.73/255,934.95
  6. Step 6: Final answer
    x = 206,164.89

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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.