Home / 263,648.53-363,834.40-142,789.45

Finding the Fourth Proportional to 263,648.53, 363,834.40 and 142,789.45

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Solution

The fourth proportional to 263,648.53, 363,834.40 and 142,789.45 is: 197,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648.53 : 363,834.40 = 142,789.45 : x
  2. Step 2: Convert to fraction form
    263,648.53/363,834.40 = 142,789.45/x
  3. Step 3: Cross multiply
    263,648.53x = 363,834.40 × 142,789.45
  4. Step 4: Simplify right side
    263,648.53x = 51,951,713,867.08
  5. Step 5: Solve for x
    x = 51,951,713,867.08/263,648.53
  6. Step 6: Final answer
    x = 197,049.13

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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.