Home / 198,464.81-273,880.10-107,820.14

Finding the Fourth Proportional to 198,464.81, 273,880.10 and 107,820.14

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Solution

The fourth proportional to 198,464.81, 273,880.10 and 107,820.14 is: 148,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,464.81 : 273,880.10 = 107,820.14 : x
  2. Step 2: Convert to fraction form
    198,464.81/273,880.10 = 107,820.14/x
  3. Step 3: Cross multiply
    198,464.81x = 273,880.10 × 107,820.14
  4. Step 4: Simplify right side
    198,464.81x = 29,529,789,625.36
  5. Step 5: Solve for x
    x = 29,529,789,625.36/198,464.81
  6. Step 6: Final answer
    x = 148,791.06

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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.