Home / 105,318.92-158,017.82-54,686.34

Finding the Fourth Proportional to 105,318.92, 158,017.82 and 54,686.34

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Solution

The fourth proportional to 105,318.92, 158,017.82 and 54,686.34 is: 82,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,318.92 : 158,017.82 = 54,686.34 : x
  2. Step 2: Convert to fraction form
    105,318.92/158,017.82 = 54,686.34/x
  3. Step 3: Cross multiply
    105,318.92x = 158,017.82 × 54,686.34
  4. Step 4: Simplify right side
    105,318.92x = 8,641,416,230.58
  5. Step 5: Solve for x
    x = 8,641,416,230.58/105,318.92
  6. Step 6: Final answer
    x = 82,049.99

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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.