Home / 119,770.11-165,279.83-66,054.15

Finding the Fourth Proportional to 119,770.11, 165,279.83 and 66,054.15

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Solution

The fourth proportional to 119,770.11, 165,279.83 and 66,054.15 is: 91,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770.11 : 165,279.83 = 66,054.15 : x
  2. Step 2: Convert to fraction form
    119,770.11/165,279.83 = 66,054.15/x
  3. Step 3: Cross multiply
    119,770.11x = 165,279.83 × 66,054.15
  4. Step 4: Simplify right side
    119,770.11x = 10,917,418,352.52
  5. Step 5: Solve for x
    x = 10,917,418,352.52/119,770.11
  6. Step 6: Final answer
    x = 91,153.11

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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.