Home / 140,424.71-193,738.79-79,952.58

Finding the Fourth Proportional to 140,424.71, 193,738.79 and 79,952.58

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Solution

The fourth proportional to 140,424.71, 193,738.79 and 79,952.58 is: 110,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,424.71 : 193,738.79 = 79,952.58 : x
  2. Step 2: Convert to fraction form
    140,424.71/193,738.79 = 79,952.58/x
  3. Step 3: Cross multiply
    140,424.71x = 193,738.79 × 79,952.58
  4. Step 4: Simplify right side
    140,424.71x = 15,489,914,738.12
  5. Step 5: Solve for x
    x = 15,489,914,738.12/140,424.71
  6. Step 6: Final answer
    x = 110,307.61

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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.