Home / 134,337.44-185,385.66-73,906.78

Finding the Fourth Proportional to 134,337.44, 185,385.66 and 73,906.78

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Solution

The fourth proportional to 134,337.44, 185,385.66 and 73,906.78 is: 101,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,337.44 : 185,385.66 = 73,906.78 : x
  2. Step 2: Convert to fraction form
    134,337.44/185,385.66 = 73,906.78/x
  3. Step 3: Cross multiply
    134,337.44x = 185,385.66 × 73,906.78
  4. Step 4: Simplify right side
    134,337.44x = 13,701,257,699.20
  5. Step 5: Solve for x
    x = 13,701,257,699.20/134,337.44
  6. Step 6: Final answer
    x = 101,991.36

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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.