Home / 106,103.58-159,056.43-72,839.31

Finding the Fourth Proportional to 106,103.58, 159,056.43 and 72,839.31

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Solution

The fourth proportional to 106,103.58, 159,056.43 and 72,839.31 is: 109,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,103.58 : 159,056.43 = 72,839.31 : x
  2. Step 2: Convert to fraction form
    106,103.58/159,056.43 = 72,839.31/x
  3. Step 3: Cross multiply
    106,103.58x = 159,056.43 × 72,839.31
  4. Step 4: Simplify right side
    106,103.58x = 11,585,560,612.26
  5. Step 5: Solve for x
    x = 11,585,560,612.26/106,103.58
  6. Step 6: Final answer
    x = 109,191.04

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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.