Home / 198,068.48-273,334.64-107,424.44

Finding the Fourth Proportional to 198,068.48, 273,334.64 and 107,424.44

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Solution

The fourth proportional to 198,068.48, 273,334.64 and 107,424.44 is: 148,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,068.48 : 273,334.64 = 107,424.44 : x
  2. Step 2: Convert to fraction form
    198,068.48/273,334.64 = 107,424.44/x
  3. Step 3: Cross multiply
    198,068.48x = 273,334.64 × 107,424.44
  4. Step 4: Simplify right side
    198,068.48x = 29,362,820,634.60
  5. Step 5: Solve for x
    x = 29,362,820,634.60/198,068.48
  6. Step 6: Final answer
    x = 148,245.80

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1.5x scale

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.