Home / 187,961.12-259,401.36-106,306.56

Finding the Fourth Proportional to 187,961.12, 259,401.36 and 106,306.56

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Solution

The fourth proportional to 187,961.12, 259,401.36 and 106,306.56 is: 146,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,961.12 : 259,401.36 = 106,306.56 : x
  2. Step 2: Convert to fraction form
    187,961.12/259,401.36 = 106,306.56/x
  3. Step 3: Cross multiply
    187,961.12x = 259,401.36 × 106,306.56
  4. Step 4: Simplify right side
    187,961.12x = 27,576,066,240.92
  5. Step 5: Solve for x
    x = 27,576,066,240.92/187,961.12
  6. Step 6: Final answer
    x = 146,711.54

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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.