Home / 198,305.55-273,661.84-107,661.45

Finding the Fourth Proportional to 198,305.55, 273,661.84 and 107,661.45

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Solution

The fourth proportional to 198,305.55, 273,661.84 and 107,661.45 is: 148,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,305.55 : 273,661.84 = 107,661.45 : x
  2. Step 2: Convert to fraction form
    198,305.55/273,661.84 = 107,661.45/x
  3. Step 3: Cross multiply
    198,305.55x = 273,661.84 × 107,661.45
  4. Step 4: Simplify right side
    198,305.55x = 29,462,831,664.88
  5. Step 5: Solve for x
    x = 29,462,831,664.88/198,305.55
  6. Step 6: Final answer
    x = 148,572.91

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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.