Home / 119,965.20-165,550.63-66,249.14

Finding the Fourth Proportional to 119,965.20, 165,550.63 and 66,249.14

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Solution

The fourth proportional to 119,965.20, 165,550.63 and 66,249.14 is: 91,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,965.20 : 165,550.63 = 66,249.14 : x
  2. Step 2: Convert to fraction form
    119,965.20/165,550.63 = 66,249.14/x
  3. Step 3: Cross multiply
    119,965.20x = 165,550.63 × 66,249.14
  4. Step 4: Simplify right side
    119,965.20x = 10,967,585,870.58
  5. Step 5: Solve for x
    x = 10,967,585,870.58/119,965.20
  6. Step 6: Final answer
    x = 91,423.06

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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.