Home / 131,838.10-197,716.75-47,587.97

Finding the Fourth Proportional to 131,838.10, 197,716.75 and 47,587.97

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Solution

The fourth proportional to 131,838.10, 197,716.75 and 47,587.97 is: 71,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,838.10 : 197,716.75 = 47,587.97 : x
  2. Step 2: Convert to fraction form
    131,838.10/197,716.75 = 47,587.97/x
  3. Step 3: Cross multiply
    131,838.10x = 197,716.75 × 47,587.97
  4. Step 4: Simplify right side
    131,838.10x = 9,408,939,142.82
  5. Step 5: Solve for x
    x = 9,408,939,142.82/131,838.10
  6. Step 6: Final answer
    x = 71,367.38

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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.