Home / 106,154.56-159,231.84-72,773.42

Finding the Fourth Proportional to 106,154.56, 159,231.84 and 72,773.42

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Solution

The fourth proportional to 106,154.56, 159,231.84 and 72,773.42 is: 109,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,154.56 : 159,231.84 = 72,773.42 : x
  2. Step 2: Convert to fraction form
    106,154.56/159,231.84 = 72,773.42/x
  3. Step 3: Cross multiply
    106,154.56x = 159,231.84 × 72,773.42
  4. Step 4: Simplify right side
    106,154.56x = 11,587,846,170.41
  5. Step 5: Solve for x
    x = 11,587,846,170.41/106,154.56
  6. Step 6: Final answer
    x = 109,160.13

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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.