Home / 171,867.16-257,813.07-71,926.75

Finding the Fourth Proportional to 171,867.16, 257,813.07 and 71,926.75

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Solution

The fourth proportional to 171,867.16, 257,813.07 and 71,926.75 is: 107,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,867.16 : 257,813.07 = 71,926.75 : x
  2. Step 2: Convert to fraction form
    171,867.16/257,813.07 = 71,926.75/x
  3. Step 3: Cross multiply
    171,867.16x = 257,813.07 × 71,926.75
  4. Step 4: Simplify right side
    171,867.16x = 18,543,656,232.62
  5. Step 5: Solve for x
    x = 18,543,656,232.62/171,867.16
  6. Step 6: Final answer
    x = 107,895.29

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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.