Home / 171,905.13-257,961.37-73,409.13

Finding the Fourth Proportional to 171,905.13, 257,961.37 and 73,409.13

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Solution

The fourth proportional to 171,905.13, 257,961.37 and 73,409.13 is: 110,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,905.13 : 257,961.37 = 73,409.13 : x
  2. Step 2: Convert to fraction form
    171,905.13/257,961.37 = 73,409.13/x
  3. Step 3: Cross multiply
    171,905.13x = 257,961.37 × 73,409.13
  4. Step 4: Simplify right side
    171,905.13x = 18,936,719,745.31
  5. Step 5: Solve for x
    x = 18,936,719,745.31/171,905.13
  6. Step 6: Final answer
    x = 110,157.97

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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.