Home / 103,851.32-155,791.96-32,749.79

Finding the Fourth Proportional to 103,851.32, 155,791.96 and 32,749.79

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Solution

The fourth proportional to 103,851.32, 155,791.96 and 32,749.79 is: 49,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,851.32 : 155,791.96 = 32,749.79 : x
  2. Step 2: Convert to fraction form
    103,851.32/155,791.96 = 32,749.79/x
  3. Step 3: Cross multiply
    103,851.32x = 155,791.96 × 32,749.79
  4. Step 4: Simplify right side
    103,851.32x = 5,102,153,112.85
  5. Step 5: Solve for x
    x = 5,102,153,112.85/103,851.32
  6. Step 6: Final answer
    x = 49,129.40

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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.