Home / 140,282.93-193,590.43-76,620.87

Finding the Fourth Proportional to 140,282.93, 193,590.43 and 76,620.87

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Solution

The fourth proportional to 140,282.93, 193,590.43 and 76,620.87 is: 105,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.93 : 193,590.43 = 76,620.87 : x
  2. Step 2: Convert to fraction form
    140,282.93/193,590.43 = 76,620.87/x
  3. Step 3: Cross multiply
    140,282.93x = 193,590.43 × 76,620.87
  4. Step 4: Simplify right side
    140,282.93x = 14,833,067,170.27
  5. Step 5: Solve for x
    x = 14,833,067,170.27/140,282.93
  6. Step 6: Final answer
    x = 105,736.79

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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.