Home / 140,523.45-193,923.89-76,859.88

Finding the Fourth Proportional to 140,523.45, 193,923.89 and 76,859.88

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Solution

The fourth proportional to 140,523.45, 193,923.89 and 76,859.88 is: 106,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.45 : 193,923.89 = 76,859.88 : x
  2. Step 2: Convert to fraction form
    140,523.45/193,923.89 = 76,859.88/x
  3. Step 3: Cross multiply
    140,523.45x = 193,923.89 × 76,859.88
  4. Step 4: Simplify right side
    140,523.45x = 14,904,966,914.53
  5. Step 5: Solve for x
    x = 14,904,966,914.53/140,523.45
  6. Step 6: Final answer
    x = 106,067.47

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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.