Home / 198,821.96-298,195.89-63,888.37

Finding the Fourth Proportional to 198,821.96, 298,195.89 and 63,888.37

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Solution

The fourth proportional to 198,821.96, 298,195.89 and 63,888.37 is: 95,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,821.96 : 298,195.89 = 63,888.37 : x
  2. Step 2: Convert to fraction form
    198,821.96/298,195.89 = 63,888.37/x
  3. Step 3: Cross multiply
    198,821.96x = 298,195.89 × 63,888.37
  4. Step 4: Simplify right side
    198,821.96x = 19,051,249,073.19
  5. Step 5: Solve for x
    x = 19,051,249,073.19/198,821.96
  6. Step 6: Final answer
    x = 95,820.65

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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.