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Finding the Fourth Proportional to 131,817, 197,759.23 and 38,322.75

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Solution

The fourth proportional to 131,817, 197,759.23 and 38,322.75 is: 57,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,817 : 197,759.23 = 38,322.75 : x
  2. Step 2: Convert to fraction form
    131,817/197,759.23 = 38,322.75/x
  3. Step 3: Cross multiply
    131,817x = 197,759.23 × 38,322.75
  4. Step 4: Simplify right side
    131,817x = 7,578,677,435.68
  5. Step 5: Solve for x
    x = 7,578,677,435.68/131,817
  6. Step 6: Final answer
    x = 57,493.93

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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.