Home / 131,324.20-197,010.60-42,580.60

Finding the Fourth Proportional to 131,324.20, 197,010.60 and 42,580.60

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Solution

The fourth proportional to 131,324.20, 197,010.60 and 42,580.60 is: 63,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,324.20 : 197,010.60 = 42,580.60 : x
  2. Step 2: Convert to fraction form
    131,324.20/197,010.60 = 42,580.60/x
  3. Step 3: Cross multiply
    131,324.20x = 197,010.60 × 42,580.60
  4. Step 4: Simplify right side
    131,324.20x = 8,388,829,554.36
  5. Step 5: Solve for x
    x = 8,388,829,554.36/131,324.20
  6. Step 6: Final answer
    x = 63,878.78

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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.