Home / 146,189.96-201,742.08-79,121.96

Finding the Fourth Proportional to 146,189.96, 201,742.08 and 79,121.96

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Solution

The fourth proportional to 146,189.96, 201,742.08 and 79,121.96 is: 109,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.96 : 201,742.08 = 79,121.96 : x
  2. Step 2: Convert to fraction form
    146,189.96/201,742.08 = 79,121.96/x
  3. Step 3: Cross multiply
    146,189.96x = 201,742.08 × 79,121.96
  4. Step 4: Simplify right side
    146,189.96x = 15,962,227,775.37
  5. Step 5: Solve for x
    x = 15,962,227,775.37/146,189.96
  6. Step 6: Final answer
    x = 109,188.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.