Home / 131,876.70-197,815.05-43,108.80

Finding the Fourth Proportional to 131,876.70, 197,815.05 and 43,108.80

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Solution

The fourth proportional to 131,876.70, 197,815.05 and 43,108.80 is: 64,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,876.70 : 197,815.05 = 43,108.80 : x
  2. Step 2: Convert to fraction form
    131,876.70/197,815.05 = 43,108.80/x
  3. Step 3: Cross multiply
    131,876.70x = 197,815.05 × 43,108.80
  4. Step 4: Simplify right side
    131,876.70x = 8,527,569,427.44
  5. Step 5: Solve for x
    x = 8,527,569,427.44/131,876.70
  6. Step 6: Final answer
    x = 64,663.20

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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.