Home / 140,322.78-193,251.83-131,317.81

Finding the Fourth Proportional to 140,322.78, 193,251.83 and 131,317.81

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Solution

The fourth proportional to 140,322.78, 193,251.83 and 131,317.81 is: 180,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,322.78 : 193,251.83 = 131,317.81 : x
  2. Step 2: Convert to fraction form
    140,322.78/193,251.83 = 131,317.81/x
  3. Step 3: Cross multiply
    140,322.78x = 193,251.83 × 131,317.81
  4. Step 4: Simplify right side
    140,322.78x = 25,377,405,954.37
  5. Step 5: Solve for x
    x = 25,377,405,954.37/140,322.78
  6. Step 6: Final answer
    x = 180,850.22

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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.