Home / 237,128.90-327,249.86-140,388.30

Finding the Fourth Proportional to 237,128.90, 327,249.86 and 140,388.30

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Solution

The fourth proportional to 237,128.90, 327,249.86 and 140,388.30 is: 193,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,128.90 : 327,249.86 = 140,388.30 : x
  2. Step 2: Convert to fraction form
    237,128.90/327,249.86 = 140,388.30/x
  3. Step 3: Cross multiply
    237,128.90x = 327,249.86 × 140,388.30
  4. Step 4: Simplify right side
    237,128.90x = 45,942,050,818.70
  5. Step 5: Solve for x
    x = 45,942,050,818.70/237,128.90
  6. Step 6: Final answer
    x = 193,742.95

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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.