Home / 140,468.46-193,847.12-76,806.21

Finding the Fourth Proportional to 140,468.46, 193,847.12 and 76,806.21

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Solution

The fourth proportional to 140,468.46, 193,847.12 and 76,806.21 is: 105,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,468.46 : 193,847.12 = 76,806.21 : x
  2. Step 2: Convert to fraction form
    140,468.46/193,847.12 = 76,806.21/x
  3. Step 3: Cross multiply
    140,468.46x = 193,847.12 × 76,806.21
  4. Step 4: Simplify right side
    140,468.46x = 14,888,661,253.35
  5. Step 5: Solve for x
    x = 14,888,661,253.35/140,468.46
  6. Step 6: Final answer
    x = 105,992.91

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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.