Home / 215,834.59-323,845.35-115,878.16

Finding the Fourth Proportional to 215,834.59, 323,845.35 and 115,878.16

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Solution

The fourth proportional to 215,834.59, 323,845.35 and 115,878.16 is: 173,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,834.59 : 323,845.35 = 115,878.16 : x
  2. Step 2: Convert to fraction form
    215,834.59/323,845.35 = 115,878.16/x
  3. Step 3: Cross multiply
    215,834.59x = 323,845.35 × 115,878.16
  4. Step 4: Simplify right side
    215,834.59x = 37,526,603,282.56
  5. Step 5: Solve for x
    x = 37,526,603,282.56/215,834.59
  6. Step 6: Final answer
    x = 173,867.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.