Home / 133,208.12-199,838.43-43,234.03

Finding the Fourth Proportional to 133,208.12, 199,838.43 and 43,234.03

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Solution

The fourth proportional to 133,208.12, 199,838.43 and 43,234.03 is: 64,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,208.12 : 199,838.43 = 43,234.03 : x
  2. Step 2: Convert to fraction form
    133,208.12/199,838.43 = 43,234.03/x
  3. Step 3: Cross multiply
    133,208.12x = 199,838.43 × 43,234.03
  4. Step 4: Simplify right side
    133,208.12x = 8,639,820,578.32
  5. Step 5: Solve for x
    x = 8,639,820,578.32/133,208.12
  6. Step 6: Final answer
    x = 64,859.56

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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.