Home / 131,729.60-197,367.60-61,464.80

Finding the Fourth Proportional to 131,729.60, 197,367.60 and 61,464.80

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Solution

The fourth proportional to 131,729.60, 197,367.60 and 61,464.80 is: 92,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,729.60 : 197,367.60 = 61,464.80 : x
  2. Step 2: Convert to fraction form
    131,729.60/197,367.60 = 61,464.80/x
  3. Step 3: Cross multiply
    131,729.60x = 197,367.60 × 61,464.80
  4. Step 4: Simplify right side
    131,729.60x = 12,131,160,060.48
  5. Step 5: Solve for x
    x = 12,131,160,060.48/131,729.60
  6. Step 6: Final answer
    x = 92,091.38

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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.