Home / 229,787.75-317,107.10-134,374.61

Finding the Fourth Proportional to 229,787.75, 317,107.10 and 134,374.61

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Solution

The fourth proportional to 229,787.75, 317,107.10 and 134,374.61 is: 185,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,787.75 : 317,107.10 = 134,374.61 : x
  2. Step 2: Convert to fraction form
    229,787.75/317,107.10 = 134,374.61/x
  3. Step 3: Cross multiply
    229,787.75x = 317,107.10 × 134,374.61
  4. Step 4: Simplify right side
    229,787.75x = 42,611,142,890.73
  5. Step 5: Solve for x
    x = 42,611,142,890.73/229,787.75
  6. Step 6: Final answer
    x = 185,436.96

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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.