Home / 146,976.48-220,341.24-68,147.28

Finding the Fourth Proportional to 146,976.48, 220,341.24 and 68,147.28

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Solution

The fourth proportional to 146,976.48, 220,341.24 and 68,147.28 is: 102,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,976.48 : 220,341.24 = 68,147.28 : x
  2. Step 2: Convert to fraction form
    146,976.48/220,341.24 = 68,147.28/x
  3. Step 3: Cross multiply
    146,976.48x = 220,341.24 × 68,147.28
  4. Step 4: Simplify right side
    146,976.48x = 15,015,656,177.83
  5. Step 5: Solve for x
    x = 15,015,656,177.83/146,976.48
  6. Step 6: Final answer
    x = 102,163.67

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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.