Home / 133,273.62-198,938.07-116,458.20

Finding the Fourth Proportional to 133,273.62, 198,938.07 and 116,458.20

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Solution

The fourth proportional to 133,273.62, 198,938.07 and 116,458.20 is: 173,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,273.62 : 198,938.07 = 116,458.20 : x
  2. Step 2: Convert to fraction form
    133,273.62/198,938.07 = 116,458.20/x
  3. Step 3: Cross multiply
    133,273.62x = 198,938.07 × 116,458.20
  4. Step 4: Simplify right side
    133,273.62x = 23,167,969,543.67
  5. Step 5: Solve for x
    x = 23,167,969,543.67/133,273.62
  6. Step 6: Final answer
    x = 173,837.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.