Home / 198,470.98-273,829.60-112,416.29

Finding the Fourth Proportional to 198,470.98, 273,829.60 and 112,416.29

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Solution

The fourth proportional to 198,470.98, 273,829.60 and 112,416.29 is: 155,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,470.98 : 273,829.60 = 112,416.29 : x
  2. Step 2: Convert to fraction form
    198,470.98/273,829.60 = 112,416.29/x
  3. Step 3: Cross multiply
    198,470.98x = 273,829.60 × 112,416.29
  4. Step 4: Simplify right side
    198,470.98x = 30,782,906,890.08
  5. Step 5: Solve for x
    x = 30,782,906,890.08/198,470.98
  6. Step 6: Final answer
    x = 155,100.30

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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.