Home / 171,867.66-257,813.82-71,927.25

Finding the Fourth Proportional to 171,867.66, 257,813.82 and 71,927.25

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Solution

The fourth proportional to 171,867.66, 257,813.82 and 71,927.25 is: 107,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,867.66 : 257,813.82 = 71,927.25 : x
  2. Step 2: Convert to fraction form
    171,867.66/257,813.82 = 71,927.25/x
  3. Step 3: Cross multiply
    171,867.66x = 257,813.82 × 71,927.25
  4. Step 4: Simplify right side
    171,867.66x = 18,543,839,084.60
  5. Step 5: Solve for x
    x = 18,543,839,084.60/171,867.66
  6. Step 6: Final answer
    x = 107,896.04

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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.