Home / 198,490.56-273,929.22-113,605.80

Finding the Fourth Proportional to 198,490.56, 273,929.22 and 113,605.80

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Solution

The fourth proportional to 198,490.56, 273,929.22 and 113,605.80 is: 156,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,490.56 : 273,929.22 = 113,605.80 : x
  2. Step 2: Convert to fraction form
    198,490.56/273,929.22 = 113,605.80/x
  3. Step 3: Cross multiply
    198,490.56x = 273,929.22 × 113,605.80
  4. Step 4: Simplify right side
    198,490.56x = 31,119,948,181.48
  5. Step 5: Solve for x
    x = 31,119,948,181.48/198,490.56
  6. Step 6: Final answer
    x = 156,783.01

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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.