Home / 121,378.20-182,066.31-37,138.02

Finding the Fourth Proportional to 121,378.20, 182,066.31 and 37,138.02

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Solution

The fourth proportional to 121,378.20, 182,066.31 and 37,138.02 is: 55,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378.20 : 182,066.31 = 37,138.02 : x
  2. Step 2: Convert to fraction form
    121,378.20/182,066.31 = 37,138.02/x
  3. Step 3: Cross multiply
    121,378.20x = 182,066.31 × 37,138.02
  4. Step 4: Simplify right side
    121,378.20x = 6,761,582,262.11
  5. Step 5: Solve for x
    x = 6,761,582,262.11/121,378.20
  6. Step 6: Final answer
    x = 55,706.73

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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.