Home / 119,854.13-165,408.05-68,884.65

Finding the Fourth Proportional to 119,854.13, 165,408.05 and 68,884.65

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Solution

The fourth proportional to 119,854.13, 165,408.05 and 68,884.65 is: 95,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,854.13 : 165,408.05 = 68,884.65 : x
  2. Step 2: Convert to fraction form
    119,854.13/165,408.05 = 68,884.65/x
  3. Step 3: Cross multiply
    119,854.13x = 165,408.05 × 68,884.65
  4. Step 4: Simplify right side
    119,854.13x = 11,394,076,075.12
  5. Step 5: Solve for x
    x = 11,394,076,075.12/119,854.13
  6. Step 6: Final answer
    x = 95,066.19

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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.