Home / 198,813.10-298,247.34-63,881.23

Finding the Fourth Proportional to 198,813.10, 298,247.34 and 63,881.23

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Solution

The fourth proportional to 198,813.10, 298,247.34 and 63,881.23 is: 95,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,813.10 : 298,247.34 = 63,881.23 : x
  2. Step 2: Convert to fraction form
    198,813.10/298,247.34 = 63,881.23/x
  3. Step 3: Cross multiply
    198,813.10x = 298,247.34 × 63,881.23
  4. Step 4: Simplify right side
    198,813.10x = 19,052,405,112.79
  5. Step 5: Solve for x
    x = 19,052,405,112.79/198,813.10
  6. Step 6: Final answer
    x = 95,830.74

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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.