Home / 119,727.82-165,222.21-66,017.80

Finding the Fourth Proportional to 119,727.82, 165,222.21 and 66,017.80

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Solution

The fourth proportional to 119,727.82, 165,222.21 and 66,017.80 is: 91,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,727.82 : 165,222.21 = 66,017.80 : x
  2. Step 2: Convert to fraction form
    119,727.82/165,222.21 = 66,017.80/x
  3. Step 3: Cross multiply
    119,727.82x = 165,222.21 × 66,017.80
  4. Step 4: Simplify right side
    119,727.82x = 10,907,606,815.34
  5. Step 5: Solve for x
    x = 10,907,606,815.34/119,727.82
  6. Step 6: Final answer
    x = 91,103.36

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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.