Home / 131,906.41-197,878.05-43,142.22

Finding the Fourth Proportional to 131,906.41, 197,878.05 and 43,142.22

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Solution

The fourth proportional to 131,906.41, 197,878.05 and 43,142.22 is: 64,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,906.41 : 197,878.05 = 43,142.22 : x
  2. Step 2: Convert to fraction form
    131,906.41/197,878.05 = 43,142.22/x
  3. Step 3: Cross multiply
    131,906.41x = 197,878.05 × 43,142.22
  4. Step 4: Simplify right side
    131,906.41x = 8,536,898,366.27
  5. Step 5: Solve for x
    x = 8,536,898,366.27/131,906.41
  6. Step 6: Final answer
    x = 64,719.36

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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.