Home / 198,318.56-297,596.03-71,968.66

Finding the Fourth Proportional to 198,318.56, 297,596.03 and 71,968.66

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Solution

The fourth proportional to 198,318.56, 297,596.03 and 71,968.66 is: 107,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,318.56 : 297,596.03 = 71,968.66 : x
  2. Step 2: Convert to fraction form
    198,318.56/297,596.03 = 71,968.66/x
  3. Step 3: Cross multiply
    198,318.56x = 297,596.03 × 71,968.66
  4. Step 4: Simplify right side
    198,318.56x = 21,417,586,396.59
  5. Step 5: Solve for x
    x = 21,417,586,396.59/198,318.56
  6. Step 6: Final answer
    x = 107,995.88

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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.