Home / 198,086.06-297,054.59-71,695.07

Finding the Fourth Proportional to 198,086.06, 297,054.59 and 71,695.07

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Solution

The fourth proportional to 198,086.06, 297,054.59 and 71,695.07 is: 107,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,086.06 : 297,054.59 = 71,695.07 : x
  2. Step 2: Convert to fraction form
    198,086.06/297,054.59 = 71,695.07/x
  3. Step 3: Cross multiply
    198,086.06x = 297,054.59 × 71,695.07
  4. Step 4: Simplify right side
    198,086.06x = 21,297,347,780.12
  5. Step 5: Solve for x
    x = 21,297,347,780.12/198,086.06
  6. Step 6: Final answer
    x = 107,515.63

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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.