Home / 146,911.32-220,571.26-75,886.44

Finding the Fourth Proportional to 146,911.32, 220,571.26 and 75,886.44

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Solution

The fourth proportional to 146,911.32, 220,571.26 and 75,886.44 is: 113,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,911.32 : 220,571.26 = 75,886.44 : x
  2. Step 2: Convert to fraction form
    146,911.32/220,571.26 = 75,886.44/x
  3. Step 3: Cross multiply
    146,911.32x = 220,571.26 × 75,886.44
  4. Step 4: Simplify right side
    146,911.32x = 16,738,367,498.00
  5. Step 5: Solve for x
    x = 16,738,367,498.00/146,911.32
  6. Step 6: Final answer
    x = 113,935.18

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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.