Home / 198,081.48-273,349.98-107,436

Finding the Fourth Proportional to 198,081.48, 273,349.98 and 107,436

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Solution

The fourth proportional to 198,081.48, 273,349.98 and 107,436 is: 148,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,081.48 : 273,349.98 = 107,436 : x
  2. Step 2: Convert to fraction form
    198,081.48/273,349.98 = 107,436/x
  3. Step 3: Cross multiply
    198,081.48x = 273,349.98 × 107,436
  4. Step 4: Simplify right side
    198,081.48x = 29,367,628,451.28
  5. Step 5: Solve for x
    x = 29,367,628,451.28/198,081.48
  6. Step 6: Final answer
    x = 148,260.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.