Home / 113,309.80-169,959.30-38,422.60

Finding the Fourth Proportional to 113,309.80, 169,959.30 and 38,422.60

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Solution

The fourth proportional to 113,309.80, 169,959.30 and 38,422.60 is: 57,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,309.80 : 169,959.30 = 38,422.60 : x
  2. Step 2: Convert to fraction form
    113,309.80/169,959.30 = 38,422.60/x
  3. Step 3: Cross multiply
    113,309.80x = 169,959.30 × 38,422.60
  4. Step 4: Simplify right side
    113,309.80x = 6,530,278,200.18
  5. Step 5: Solve for x
    x = 6,530,278,200.18/113,309.80
  6. Step 6: Final answer
    x = 57,632.07

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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.