Home / 131,239.94-196,891.26-42,493.55

Finding the Fourth Proportional to 131,239.94, 196,891.26 and 42,493.55

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Solution

The fourth proportional to 131,239.94, 196,891.26 and 42,493.55 is: 63,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239.94 : 196,891.26 = 42,493.55 : x
  2. Step 2: Convert to fraction form
    131,239.94/196,891.26 = 42,493.55/x
  3. Step 3: Cross multiply
    131,239.94x = 196,891.26 × 42,493.55
  4. Step 4: Simplify right side
    131,239.94x = 8,366,607,616.92
  5. Step 5: Solve for x
    x = 8,366,607,616.92/131,239.94
  6. Step 6: Final answer
    x = 63,750.47

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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.