Home / 140,734.96-194,214.54-76,204.90

Finding the Fourth Proportional to 140,734.96, 194,214.54 and 76,204.90

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Solution

The fourth proportional to 140,734.96, 194,214.54 and 76,204.90 is: 105,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.96 : 194,214.54 = 76,204.90 : x
  2. Step 2: Convert to fraction form
    140,734.96/194,214.54 = 76,204.90/x
  3. Step 3: Cross multiply
    140,734.96x = 194,214.54 × 76,204.90
  4. Step 4: Simplify right side
    140,734.96x = 14,800,099,599.25
  5. Step 5: Solve for x
    x = 14,800,099,599.25/140,734.96
  6. Step 6: Final answer
    x = 105,162.92

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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.