Home / 234,988.48-352,408.08-77,180.20

Finding the Fourth Proportional to 234,988.48, 352,408.08 and 77,180.20

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Solution

The fourth proportional to 234,988.48, 352,408.08 and 77,180.20 is: 115,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,988.48 : 352,408.08 = 77,180.20 : x
  2. Step 2: Convert to fraction form
    234,988.48/352,408.08 = 77,180.20/x
  3. Step 3: Cross multiply
    234,988.48x = 352,408.08 × 77,180.20
  4. Step 4: Simplify right side
    234,988.48x = 27,198,926,096.02
  5. Step 5: Solve for x
    x = 27,198,926,096.02/234,988.48
  6. Step 6: Final answer
    x = 115,745.79

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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.