Home / 92,741.36-139,122.24-29,546.78

Finding the Fourth Proportional to 92,741.36, 139,122.24 and 29,546.78

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Solution

The fourth proportional to 92,741.36, 139,122.24 and 29,546.78 is: 44,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,741.36 : 139,122.24 = 29,546.78 : x
  2. Step 2: Convert to fraction form
    92,741.36/139,122.24 = 29,546.78/x
  3. Step 3: Cross multiply
    92,741.36x = 139,122.24 × 29,546.78
  4. Step 4: Simplify right side
    92,741.36x = 4,110,614,218.39
  5. Step 5: Solve for x
    x = 4,110,614,218.39/92,741.36
  6. Step 6: Final answer
    x = 44,323.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.