Home / 140,811.56-209,961.24-125,163.57

Finding the Fourth Proportional to 140,811.56, 209,961.24 and 125,163.57

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Solution

The fourth proportional to 140,811.56, 209,961.24 and 125,163.57 is: 186,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.56 : 209,961.24 = 125,163.57 : x
  2. Step 2: Convert to fraction form
    140,811.56/209,961.24 = 125,163.57/x
  3. Step 3: Cross multiply
    140,811.56x = 209,961.24 × 125,163.57
  4. Step 4: Simplify right side
    140,811.56x = 26,279,498,360.03
  5. Step 5: Solve for x
    x = 26,279,498,360.03/140,811.56
  6. Step 6: Final answer
    x = 186,628.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.