Home / 171,434.67-257,193.04-71,539.28

Finding the Fourth Proportional to 171,434.67, 257,193.04 and 71,539.28

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Solution

The fourth proportional to 171,434.67, 257,193.04 and 71,539.28 is: 107,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,434.67 : 257,193.04 = 71,539.28 : x
  2. Step 2: Convert to fraction form
    171,434.67/257,193.04 = 71,539.28/x
  3. Step 3: Cross multiply
    171,434.67x = 257,193.04 × 71,539.28
  4. Step 4: Simplify right side
    171,434.67x = 18,399,404,902.61
  5. Step 5: Solve for x
    x = 18,399,404,902.61/171,434.67
  6. Step 6: Final answer
    x = 107,326.04

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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.