Home / 131,999.40-197,999.10-43,255.80

Finding the Fourth Proportional to 131,999.40, 197,999.10 and 43,255.80

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Solution

The fourth proportional to 131,999.40, 197,999.10 and 43,255.80 is: 64,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.40 : 197,999.10 = 43,255.80 : x
  2. Step 2: Convert to fraction form
    131,999.40/197,999.10 = 43,255.80/x
  3. Step 3: Cross multiply
    131,999.40x = 197,999.10 × 43,255.80
  4. Step 4: Simplify right side
    131,999.40x = 8,564,609,469.78
  5. Step 5: Solve for x
    x = 8,564,609,469.78/131,999.40
  6. Step 6: Final answer
    x = 64,883.70

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1.5x scale

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.