Home / 147,027.88-220,583.62-72,170.44

Finding the Fourth Proportional to 147,027.88, 220,583.62 and 72,170.44

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Solution

The fourth proportional to 147,027.88, 220,583.62 and 72,170.44 is: 108,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,027.88 : 220,583.62 = 72,170.44 : x
  2. Step 2: Convert to fraction form
    147,027.88/220,583.62 = 72,170.44/x
  3. Step 3: Cross multiply
    147,027.88x = 220,583.62 × 72,170.44
  4. Step 4: Simplify right side
    147,027.88x = 15,919,616,912.19
  5. Step 5: Solve for x
    x = 15,919,616,912.19/147,027.88
  6. Step 6: Final answer
    x = 108,276.18

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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.