Home / 115,263.42-159,076.17-66,876

Finding the Fourth Proportional to 115,263.42, 159,076.17 and 66,876

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Solution

The fourth proportional to 115,263.42, 159,076.17 and 66,876 is: 92,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.42 : 159,076.17 = 66,876 : x
  2. Step 2: Convert to fraction form
    115,263.42/159,076.17 = 66,876/x
  3. Step 3: Cross multiply
    115,263.42x = 159,076.17 × 66,876
  4. Step 4: Simplify right side
    115,263.42x = 10,638,377,944.92
  5. Step 5: Solve for x
    x = 10,638,377,944.92/115,263.42
  6. Step 6: Final answer
    x = 92,296.22

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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.