Home / 198,822.96-298,197.39-63,889.37

Finding the Fourth Proportional to 198,822.96, 298,197.39 and 63,889.37

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Solution

The fourth proportional to 198,822.96, 298,197.39 and 63,889.37 is: 95,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,822.96 : 298,197.39 = 63,889.37 : x
  2. Step 2: Convert to fraction form
    198,822.96/298,197.39 = 63,889.37/x
  3. Step 3: Cross multiply
    198,822.96x = 298,197.39 × 63,889.37
  4. Step 4: Simplify right side
    198,822.96x = 19,051,643,382.74
  5. Step 5: Solve for x
    x = 19,051,643,382.74/198,822.96
  6. Step 6: Final answer
    x = 95,822.15

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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.