Home / 131,169.72-196,766.64-56,272.98

Finding the Fourth Proportional to 131,169.72, 196,766.64 and 56,272.98

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Solution

The fourth proportional to 131,169.72, 196,766.64 and 56,272.98 is: 84,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,169.72 : 196,766.64 = 56,272.98 : x
  2. Step 2: Convert to fraction form
    131,169.72/196,766.64 = 56,272.98/x
  3. Step 3: Cross multiply
    131,169.72x = 196,766.64 × 56,272.98
  4. Step 4: Simplify right side
    131,169.72x = 11,072,645,197.39
  5. Step 5: Solve for x
    x = 11,072,645,197.39/131,169.72
  6. Step 6: Final answer
    x = 84,414.64

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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.