Home / 198,319.06-297,596.78-71,969.16

Finding the Fourth Proportional to 198,319.06, 297,596.78 and 71,969.16

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Solution

The fourth proportional to 198,319.06, 297,596.78 and 71,969.16 is: 107,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.06 : 297,596.78 = 71,969.16 : x
  2. Step 2: Convert to fraction form
    198,319.06/297,596.78 = 71,969.16/x
  3. Step 3: Cross multiply
    198,319.06x = 297,596.78 × 71,969.16
  4. Step 4: Simplify right side
    198,319.06x = 21,417,790,275.30
  5. Step 5: Solve for x
    x = 21,417,790,275.30/198,319.06
  6. Step 6: Final answer
    x = 107,996.63

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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.