Home / 131,880.35-197,845.13-43,138.64

Finding the Fourth Proportional to 131,880.35, 197,845.13 and 43,138.64

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Solution

The fourth proportional to 131,880.35, 197,845.13 and 43,138.64 is: 64,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.35 : 197,845.13 = 43,138.64 : x
  2. Step 2: Convert to fraction form
    131,880.35/197,845.13 = 43,138.64/x
  3. Step 3: Cross multiply
    131,880.35x = 197,845.13 × 43,138.64
  4. Step 4: Simplify right side
    131,880.35x = 8,534,770,441.28
  5. Step 5: Solve for x
    x = 8,534,770,441.28/131,880.35
  6. Step 6: Final answer
    x = 64,716.01

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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.