Home / 133,268.19-199,872.81-38,477.75

Finding the Fourth Proportional to 133,268.19, 199,872.81 and 38,477.75

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Solution

The fourth proportional to 133,268.19, 199,872.81 and 38,477.75 is: 57,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,268.19 : 199,872.81 = 38,477.75 : x
  2. Step 2: Convert to fraction form
    133,268.19/199,872.81 = 38,477.75/x
  3. Step 3: Cross multiply
    133,268.19x = 199,872.81 × 38,477.75
  4. Step 4: Simplify right side
    133,268.19x = 7,690,655,015.61
  5. Step 5: Solve for x
    x = 7,690,655,015.61/133,268.19
  6. Step 6: Final answer
    x = 57,708.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.