Home / 187,680.18-259,002.42-102,797.30

Finding the Fourth Proportional to 187,680.18, 259,002.42 and 102,797.30

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Solution

The fourth proportional to 187,680.18, 259,002.42 and 102,797.30 is: 141,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680.18 : 259,002.42 = 102,797.30 : x
  2. Step 2: Convert to fraction form
    187,680.18/259,002.42 = 102,797.30/x
  3. Step 3: Cross multiply
    187,680.18x = 259,002.42 × 102,797.30
  4. Step 4: Simplify right side
    187,680.18x = 26,624,749,469.47
  5. Step 5: Solve for x
    x = 26,624,749,469.47/187,680.18
  6. Step 6: Final answer
    x = 141,862.34

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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.