Home / 140,137.25-193,338.83-107,881.74

Finding the Fourth Proportional to 140,137.25, 193,338.83 and 107,881.74

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Solution

The fourth proportional to 140,137.25, 193,338.83 and 107,881.74 is: 148,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137.25 : 193,338.83 = 107,881.74 : x
  2. Step 2: Convert to fraction form
    140,137.25/193,338.83 = 107,881.74/x
  3. Step 3: Cross multiply
    140,137.25x = 193,338.83 × 107,881.74
  4. Step 4: Simplify right side
    140,137.25x = 20,857,729,659.67
  5. Step 5: Solve for x
    x = 20,857,729,659.67/140,137.25
  6. Step 6: Final answer
    x = 148,837.87

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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.