Home / 171,009.04-256,565.40-82,237.36

Finding the Fourth Proportional to 171,009.04, 256,565.40 and 82,237.36

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Solution

The fourth proportional to 171,009.04, 256,565.40 and 82,237.36 is: 123,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,009.04 : 256,565.40 = 82,237.36 : x
  2. Step 2: Convert to fraction form
    171,009.04/256,565.40 = 82,237.36/x
  3. Step 3: Cross multiply
    171,009.04x = 256,565.40 × 82,237.36
  4. Step 4: Simplify right side
    171,009.04x = 21,099,261,163.34
  5. Step 5: Solve for x
    x = 21,099,261,163.34/171,009.04
  6. Step 6: Final answer
    x = 123,380.97

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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.