Home / 171,944.31-257,932.86-66,771.48

Finding the Fourth Proportional to 171,944.31, 257,932.86 and 66,771.48

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Solution

The fourth proportional to 171,944.31, 257,932.86 and 66,771.48 is: 100,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,944.31 : 257,932.86 = 66,771.48 : x
  2. Step 2: Convert to fraction form
    171,944.31/257,932.86 = 66,771.48/x
  3. Step 3: Cross multiply
    171,944.31x = 257,932.86 × 66,771.48
  4. Step 4: Simplify right side
    171,944.31x = 17,222,558,802.83
  5. Step 5: Solve for x
    x = 17,222,558,802.83/171,944.31
  6. Step 6: Final answer
    x = 100,163.59

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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.