Home / 119,913.62-165,482.13-66,198.66

Finding the Fourth Proportional to 119,913.62, 165,482.13 and 66,198.66

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Solution

The fourth proportional to 119,913.62, 165,482.13 and 66,198.66 is: 91,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,913.62 : 165,482.13 = 66,198.66 : x
  2. Step 2: Convert to fraction form
    119,913.62/165,482.13 = 66,198.66/x
  3. Step 3: Cross multiply
    119,913.62x = 165,482.13 × 66,198.66
  4. Step 4: Simplify right side
    119,913.62x = 10,954,695,259.95
  5. Step 5: Solve for x
    x = 10,954,695,259.95/119,913.62
  6. Step 6: Final answer
    x = 91,354.89

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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.