Home / 171,938.88-257,825.37-72,072.26

Finding the Fourth Proportional to 171,938.88, 257,825.37 and 72,072.26

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Solution

The fourth proportional to 171,938.88, 257,825.37 and 72,072.26 is: 108,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,938.88 : 257,825.37 = 72,072.26 : x
  2. Step 2: Convert to fraction form
    171,938.88/257,825.37 = 72,072.26/x
  3. Step 3: Cross multiply
    171,938.88x = 257,825.37 × 72,072.26
  4. Step 4: Simplify right side
    171,938.88x = 18,582,057,101.24
  5. Step 5: Solve for x
    x = 18,582,057,101.24/171,938.88
  6. Step 6: Final answer
    x = 108,073.62

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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.