Home / 131,239.94-196,891.29-42,493.50

Finding the Fourth Proportional to 131,239.94, 196,891.29 and 42,493.50

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Solution

The fourth proportional to 131,239.94, 196,891.29 and 42,493.50 is: 63,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239.94 : 196,891.29 = 42,493.50 : x
  2. Step 2: Convert to fraction form
    131,239.94/196,891.29 = 42,493.50/x
  3. Step 3: Cross multiply
    131,239.94x = 196,891.29 × 42,493.50
  4. Step 4: Simplify right side
    131,239.94x = 8,366,600,031.62
  5. Step 5: Solve for x
    x = 8,366,600,031.62/131,239.94
  6. Step 6: Final answer
    x = 63,750.41

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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.