Home / 263,155.20-363,158-148,439.30

Finding the Fourth Proportional to 263,155.20, 363,158 and 148,439.30

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Solution

The fourth proportional to 263,155.20, 363,158 and 148,439.30 is: 204,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,155.20 : 363,158 = 148,439.30 : x
  2. Step 2: Convert to fraction form
    263,155.20/363,158 = 148,439.30/x
  3. Step 3: Cross multiply
    263,155.20x = 363,158 × 148,439.30
  4. Step 4: Simplify right side
    263,155.20x = 53,906,919,309.40
  5. Step 5: Solve for x
    x = 53,906,919,309.40/263,155.20
  6. Step 6: Final answer
    x = 204,848.39

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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.