Home / 215,925.60-323,891.64-82,813.44

Finding the Fourth Proportional to 215,925.60, 323,891.64 and 82,813.44

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Solution

The fourth proportional to 215,925.60, 323,891.64 and 82,813.44 is: 124,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,925.60 : 323,891.64 = 82,813.44 : x
  2. Step 2: Convert to fraction form
    215,925.60/323,891.64 = 82,813.44/x
  3. Step 3: Cross multiply
    215,925.60x = 323,891.64 × 82,813.44
  4. Step 4: Simplify right side
    215,925.60x = 26,822,580,895.64
  5. Step 5: Solve for x
    x = 26,822,580,895.64/215,925.60
  6. Step 6: Final answer
    x = 124,221.40

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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.