Home / 173,786.20-260,679.30-102,635.80

Finding the Fourth Proportional to 173,786.20, 260,679.30 and 102,635.80

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Solution

The fourth proportional to 173,786.20, 260,679.30 and 102,635.80 is: 153,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,786.20 : 260,679.30 = 102,635.80 : x
  2. Step 2: Convert to fraction form
    173,786.20/260,679.30 = 102,635.80/x
  3. Step 3: Cross multiply
    173,786.20x = 260,679.30 × 102,635.80
  4. Step 4: Simplify right side
    173,786.20x = 26,755,028,498.94
  5. Step 5: Solve for x
    x = 26,755,028,498.94/173,786.20
  6. Step 6: Final answer
    x = 153,953.70

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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.