Home / 198,827.84-298,231.80-74,159.12

Finding the Fourth Proportional to 198,827.84, 298,231.80 and 74,159.12

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Solution

The fourth proportional to 198,827.84, 298,231.80 and 74,159.12 is: 111,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,827.84 : 298,231.80 = 74,159.12 : x
  2. Step 2: Convert to fraction form
    198,827.84/298,231.80 = 74,159.12/x
  3. Step 3: Cross multiply
    198,827.84x = 298,231.80 × 74,159.12
  4. Step 4: Simplify right side
    198,827.84x = 22,116,607,844.02
  5. Step 5: Solve for x
    x = 22,116,607,844.02/198,827.84
  6. Step 6: Final answer
    x = 111,234.97

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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.