Home / 126,506.73-189,787.43-47,620.73

Finding the Fourth Proportional to 126,506.73, 189,787.43 and 47,620.73

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Solution

The fourth proportional to 126,506.73, 189,787.43 and 47,620.73 is: 71,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,506.73 : 189,787.43 = 47,620.73 : x
  2. Step 2: Convert to fraction form
    126,506.73/189,787.43 = 47,620.73/x
  3. Step 3: Cross multiply
    126,506.73x = 189,787.43 × 47,620.73
  4. Step 4: Simplify right side
    126,506.73x = 9,037,815,961.42
  5. Step 5: Solve for x
    x = 9,037,815,961.42/126,506.73
  6. Step 6: Final answer
    x = 71,441.38

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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.