Home / 171,505.14-236,759.36-120,561.54

Finding the Fourth Proportional to 171,505.14, 236,759.36 and 120,561.54

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Solution

The fourth proportional to 171,505.14, 236,759.36 and 120,561.54 is: 166,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,505.14 : 236,759.36 = 120,561.54 : x
  2. Step 2: Convert to fraction form
    171,505.14/236,759.36 = 120,561.54/x
  3. Step 3: Cross multiply
    171,505.14x = 236,759.36 × 120,561.54
  4. Step 4: Simplify right side
    171,505.14x = 28,544,073,352.42
  5. Step 5: Solve for x
    x = 28,544,073,352.42/171,505.14
  6. Step 6: Final answer
    x = 166,432.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.