Home / 121,391.16-182,108.70-37,149.84

Finding the Fourth Proportional to 121,391.16, 182,108.70 and 37,149.84

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Solution

The fourth proportional to 121,391.16, 182,108.70 and 37,149.84 is: 55,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,391.16 : 182,108.70 = 37,149.84 : x
  2. Step 2: Convert to fraction form
    121,391.16/182,108.70 = 37,149.84/x
  3. Step 3: Cross multiply
    121,391.16x = 182,108.70 × 37,149.84
  4. Step 4: Simplify right side
    121,391.16x = 6,765,309,067.61
  5. Step 5: Solve for x
    x = 6,765,309,067.61/121,391.16
  6. Step 6: Final answer
    x = 55,731.48

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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.