Home / 109,243.72-163,963.26-55,972.04

Finding the Fourth Proportional to 109,243.72, 163,963.26 and 55,972.04

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Solution

The fourth proportional to 109,243.72, 163,963.26 and 55,972.04 is: 84,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,243.72 : 163,963.26 = 55,972.04 : x
  2. Step 2: Convert to fraction form
    109,243.72/163,963.26 = 55,972.04/x
  3. Step 3: Cross multiply
    109,243.72x = 163,963.26 × 55,972.04
  4. Step 4: Simplify right side
    109,243.72x = 9,177,358,147.25
  5. Step 5: Solve for x
    x = 9,177,358,147.25/109,243.72
  6. Step 6: Final answer
    x = 84,008.11

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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.