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Finding the Fourth Proportional to 173,863.30, 260,794.95 and 131,872.90

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Solution

The fourth proportional to 173,863.30, 260,794.95 and 131,872.90 is: 197,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.30 : 260,794.95 = 131,872.90 : x
  2. Step 2: Convert to fraction form
    173,863.30/260,794.95 = 131,872.90/x
  3. Step 3: Cross multiply
    173,863.30x = 260,794.95 × 131,872.90
  4. Step 4: Simplify right side
    173,863.30x = 34,391,786,361.86
  5. Step 5: Solve for x
    x = 34,391,786,361.86/173,863.30
  6. Step 6: Final answer
    x = 197,809.35

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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.