Home / 198,913.08-298,397.10-63,980.94

Finding the Fourth Proportional to 198,913.08, 298,397.10 and 63,980.94

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Solution

The fourth proportional to 198,913.08, 298,397.10 and 63,980.94 is: 95,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,913.08 : 298,397.10 = 63,980.94 : x
  2. Step 2: Convert to fraction form
    198,913.08/298,397.10 = 63,980.94/x
  3. Step 3: Cross multiply
    198,913.08x = 298,397.10 × 63,980.94
  4. Step 4: Simplify right side
    198,913.08x = 19,091,726,951.27
  5. Step 5: Solve for x
    x = 19,091,726,951.27/198,913.08
  6. Step 6: Final answer
    x = 95,980.25

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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.