Home / 119,895.58-165,455.92-66,180.61

Finding the Fourth Proportional to 119,895.58, 165,455.92 and 66,180.61

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Solution

The fourth proportional to 119,895.58, 165,455.92 and 66,180.61 is: 91,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.58 : 165,455.92 = 66,180.61 : x
  2. Step 2: Convert to fraction form
    119,895.58/165,455.92 = 66,180.61/x
  3. Step 3: Cross multiply
    119,895.58x = 165,455.92 × 66,180.61
  4. Step 4: Simplify right side
    119,895.58x = 10,949,974,189.40
  5. Step 5: Solve for x
    x = 10,949,974,189.40/119,895.58
  6. Step 6: Final answer
    x = 91,329.25

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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.