Home / 140,734.71-194,214.20-76,204.65

Finding the Fourth Proportional to 140,734.71, 194,214.20 and 76,204.65

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Solution

The fourth proportional to 140,734.71, 194,214.20 and 76,204.65 is: 105,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.71 : 194,214.20 = 76,204.65 : x
  2. Step 2: Convert to fraction form
    140,734.71/194,214.20 = 76,204.65/x
  3. Step 3: Cross multiply
    140,734.71x = 194,214.20 × 76,204.65
  4. Step 4: Simplify right side
    140,734.71x = 14,800,024,755.01
  5. Step 5: Solve for x
    x = 14,800,024,755.01/140,734.71
  6. Step 6: Final answer
    x = 105,162.58

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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.