Home / 121,268.69-182,027.17-100,141.42

Finding the Fourth Proportional to 121,268.69, 182,027.17 and 100,141.42

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Solution

The fourth proportional to 121,268.69, 182,027.17 and 100,141.42 is: 150,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,268.69 : 182,027.17 = 100,141.42 : x
  2. Step 2: Convert to fraction form
    121,268.69/182,027.17 = 100,141.42/x
  3. Step 3: Cross multiply
    121,268.69x = 182,027.17 × 100,141.42
  4. Step 4: Simplify right side
    121,268.69x = 18,228,459,293.79
  5. Step 5: Solve for x
    x = 18,228,459,293.79/121,268.69
  6. Step 6: Final answer
    x = 150,314.63

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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.