Home / 229,787.72-344,690.84-80,043.15

Finding the Fourth Proportional to 229,787.72, 344,690.84 and 80,043.15

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Solution

The fourth proportional to 229,787.72, 344,690.84 and 80,043.15 is: 120,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,787.72 : 344,690.84 = 80,043.15 : x
  2. Step 2: Convert to fraction form
    229,787.72/344,690.84 = 80,043.15/x
  3. Step 3: Cross multiply
    229,787.72x = 344,690.84 × 80,043.15
  4. Step 4: Simplify right side
    229,787.72x = 27,590,140,809.85
  5. Step 5: Solve for x
    x = 27,590,140,809.85/229,787.72
  6. Step 6: Final answer
    x = 120,067.95

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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.