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Finding the Fourth Proportional to 173,138.10, 259,731.45 and 54,797.10

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Solution

The fourth proportional to 173,138.10, 259,731.45 and 54,797.10 is: 82,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,138.10 : 259,731.45 = 54,797.10 : x
  2. Step 2: Convert to fraction form
    173,138.10/259,731.45 = 54,797.10/x
  3. Step 3: Cross multiply
    173,138.10x = 259,731.45 × 54,797.10
  4. Step 4: Simplify right side
    173,138.10x = 14,232,530,238.80
  5. Step 5: Solve for x
    x = 14,232,530,238.80/173,138.10
  6. Step 6: Final answer
    x = 82,203.34

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1.5x scale

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.