Home / 159,408.21-238,849.88-111,381.69

Finding the Fourth Proportional to 159,408.21, 238,849.88 and 111,381.69

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Solution

The fourth proportional to 159,408.21, 238,849.88 and 111,381.69 is: 166,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,408.21 : 238,849.88 = 111,381.69 : x
  2. Step 2: Convert to fraction form
    159,408.21/238,849.88 = 111,381.69/x
  3. Step 3: Cross multiply
    159,408.21x = 238,849.88 × 111,381.69
  4. Step 4: Simplify right side
    159,408.21x = 26,603,504,256.00
  5. Step 5: Solve for x
    x = 26,603,504,256.00/159,408.21
  6. Step 6: Final answer
    x = 166,889.17

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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.