Home / 237,947.76-356,808.60-138,138.48

Finding the Fourth Proportional to 237,947.76, 356,808.60 and 138,138.48

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Solution

The fourth proportional to 237,947.76, 356,808.60 and 138,138.48 is: 207,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,947.76 : 356,808.60 = 138,138.48 : x
  2. Step 2: Convert to fraction form
    237,947.76/356,808.60 = 138,138.48/x
  3. Step 3: Cross multiply
    237,947.76x = 356,808.60 × 138,138.48
  4. Step 4: Simplify right side
    237,947.76x = 49,288,997,654.93
  5. Step 5: Solve for x
    x = 49,288,997,654.93/237,947.76
  6. Step 6: Final answer
    x = 207,142.10

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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.