Home / 170,760.70-256,141.05-168,136.30

Finding the Fourth Proportional to 170,760.70, 256,141.05 and 168,136.30

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Solution

The fourth proportional to 170,760.70, 256,141.05 and 168,136.30 is: 252,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,760.70 : 256,141.05 = 168,136.30 : x
  2. Step 2: Convert to fraction form
    170,760.70/256,141.05 = 168,136.30/x
  3. Step 3: Cross multiply
    170,760.70x = 256,141.05 × 168,136.30
  4. Step 4: Simplify right side
    170,760.70x = 43,066,608,425.12
  5. Step 5: Solve for x
    x = 43,066,608,425.12/170,760.70
  6. Step 6: Final answer
    x = 252,204.45

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1.5x scale

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.