Home / 140,335.62-193,676.31-76,682.85

Finding the Fourth Proportional to 140,335.62, 193,676.31 and 76,682.85

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Solution

The fourth proportional to 140,335.62, 193,676.31 and 76,682.85 is: 105,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,335.62 : 193,676.31 = 76,682.85 : x
  2. Step 2: Convert to fraction form
    140,335.62/193,676.31 = 76,682.85/x
  3. Step 3: Cross multiply
    140,335.62x = 193,676.31 × 76,682.85
  4. Step 4: Simplify right side
    140,335.62x = 14,851,651,428.28
  5. Step 5: Solve for x
    x = 14,851,651,428.28/140,335.62
  6. Step 6: Final answer
    x = 105,829.52

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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.