Home / 131,884.64-197,858.08-43,137.80

Finding the Fourth Proportional to 131,884.64, 197,858.08 and 43,137.80

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Solution

The fourth proportional to 131,884.64, 197,858.08 and 43,137.80 is: 64,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,884.64 : 197,858.08 = 43,137.80 : x
  2. Step 2: Convert to fraction form
    131,884.64/197,858.08 = 43,137.80/x
  3. Step 3: Cross multiply
    131,884.64x = 197,858.08 × 43,137.80
  4. Step 4: Simplify right side
    131,884.64x = 8,535,162,283.42
  5. Step 5: Solve for x
    x = 8,535,162,283.42/131,884.64
  6. Step 6: Final answer
    x = 64,716.88

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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.