Home / 130,202.26-179,657.87-75,766.61

Finding the Fourth Proportional to 130,202.26, 179,657.87 and 75,766.61

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Solution

The fourth proportional to 130,202.26, 179,657.87 and 75,766.61 is: 104,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,202.26 : 179,657.87 = 75,766.61 : x
  2. Step 2: Convert to fraction form
    130,202.26/179,657.87 = 75,766.61/x
  3. Step 3: Cross multiply
    130,202.26x = 179,657.87 × 75,766.61
  4. Step 4: Simplify right side
    130,202.26x = 13,612,067,840.03
  5. Step 5: Solve for x
    x = 13,612,067,840.03/130,202.26
  6. Step 6: Final answer
    x = 104,545.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.