Home / 171,011.04-256,568.40-82,239.36

Finding the Fourth Proportional to 171,011.04, 256,568.40 and 82,239.36

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Solution

The fourth proportional to 171,011.04, 256,568.40 and 82,239.36 is: 123,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,011.04 : 256,568.40 = 82,239.36 : x
  2. Step 2: Convert to fraction form
    171,011.04/256,568.40 = 82,239.36/x
  3. Step 3: Cross multiply
    171,011.04x = 256,568.40 × 82,239.36
  4. Step 4: Simplify right side
    171,011.04x = 21,100,021,012.22
  5. Step 5: Solve for x
    x = 21,100,021,012.22/171,011.04
  6. Step 6: Final answer
    x = 123,383.97

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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.