Home / 140,358.22-193,694.58-76,694.65

Finding the Fourth Proportional to 140,358.22, 193,694.58 and 76,694.65

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Solution

The fourth proportional to 140,358.22, 193,694.58 and 76,694.65 is: 105,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,358.22 : 193,694.58 = 76,694.65 : x
  2. Step 2: Convert to fraction form
    140,358.22/193,694.58 = 76,694.65/x
  3. Step 3: Cross multiply
    140,358.22x = 193,694.58 × 76,694.65
  4. Step 4: Simplify right side
    140,358.22x = 14,855,338,020.00
  5. Step 5: Solve for x
    x = 14,855,338,020.00/140,358.22
  6. Step 6: Final answer
    x = 105,838.75

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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.