Home / 150,742.70-226,119.13-75,822

Finding the Fourth Proportional to 150,742.70, 226,119.13 and 75,822

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Solution

The fourth proportional to 150,742.70, 226,119.13 and 75,822 is: 113,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,742.70 : 226,119.13 = 75,822 : x
  2. Step 2: Convert to fraction form
    150,742.70/226,119.13 = 75,822/x
  3. Step 3: Cross multiply
    150,742.70x = 226,119.13 × 75,822
  4. Step 4: Simplify right side
    150,742.70x = 17,144,804,864.42
  5. Step 5: Solve for x
    x = 17,144,804,864.42/150,742.70
  6. Step 6: Final answer
    x = 113,735.55

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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.