Home / 170,727.80-256,383.30-111,824.60

Finding the Fourth Proportional to 170,727.80, 256,383.30 and 111,824.60

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Solution

The fourth proportional to 170,727.80, 256,383.30 and 111,824.60 is: 167,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,727.80 : 256,383.30 = 111,824.60 : x
  2. Step 2: Convert to fraction form
    170,727.80/256,383.30 = 111,824.60/x
  3. Step 3: Cross multiply
    170,727.80x = 256,383.30 × 111,824.60
  4. Step 4: Simplify right side
    170,727.80x = 28,669,959,969.18
  5. Step 5: Solve for x
    x = 28,669,959,969.18/170,727.80
  6. Step 6: Final answer
    x = 167,927.89

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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.