Home / 119,913.77-165,480.13-66,198.72

Finding the Fourth Proportional to 119,913.77, 165,480.13 and 66,198.72

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Solution

The fourth proportional to 119,913.77, 165,480.13 and 66,198.72 is: 91,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,913.77 : 165,480.13 = 66,198.72 : x
  2. Step 2: Convert to fraction form
    119,913.77/165,480.13 = 66,198.72/x
  3. Step 3: Cross multiply
    119,913.77x = 165,480.13 × 66,198.72
  4. Step 4: Simplify right side
    119,913.77x = 10,954,573,494.73
  5. Step 5: Solve for x
    x = 10,954,573,494.73/119,913.77
  6. Step 6: Final answer
    x = 91,353.76

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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.