Home / 231,130.64-318,996.88-140,514.96

Finding the Fourth Proportional to 231,130.64, 318,996.88 and 140,514.96

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Solution

The fourth proportional to 231,130.64, 318,996.88 and 140,514.96 is: 193,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,130.64 : 318,996.88 = 140,514.96 : x
  2. Step 2: Convert to fraction form
    231,130.64/318,996.88 = 140,514.96/x
  3. Step 3: Cross multiply
    231,130.64x = 318,996.88 × 140,514.96
  4. Step 4: Simplify right side
    231,130.64x = 44,823,833,833.32
  5. Step 5: Solve for x
    x = 44,823,833,833.32/231,130.64
  6. Step 6: Final answer
    x = 193,932.89

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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.