Home / 109,252.22-163,976.01-55,980.54

Finding the Fourth Proportional to 109,252.22, 163,976.01 and 55,980.54

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Solution

The fourth proportional to 109,252.22, 163,976.01 and 55,980.54 is: 84,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,252.22 : 163,976.01 = 55,980.54 : x
  2. Step 2: Convert to fraction form
    109,252.22/163,976.01 = 55,980.54/x
  3. Step 3: Cross multiply
    109,252.22x = 163,976.01 × 55,980.54
  4. Step 4: Simplify right side
    109,252.22x = 9,179,465,586.85
  5. Step 5: Solve for x
    x = 9,179,465,586.85/109,252.22
  6. Step 6: Final answer
    x = 84,020.86

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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.