Home / 121,378.70-182,067.06-37,138.52

Finding the Fourth Proportional to 121,378.70, 182,067.06 and 37,138.52

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Solution

The fourth proportional to 121,378.70, 182,067.06 and 37,138.52 is: 55,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378.70 : 182,067.06 = 37,138.52 : x
  2. Step 2: Convert to fraction form
    121,378.70/182,067.06 = 37,138.52/x
  3. Step 3: Cross multiply
    121,378.70x = 182,067.06 × 37,138.52
  4. Step 4: Simplify right side
    121,378.70x = 6,761,701,149.15
  5. Step 5: Solve for x
    x = 6,761,701,149.15/121,378.70
  6. Step 6: Final answer
    x = 55,707.48

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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.