Home / 137,622.24-206,083.44-90,732.96

Finding the Fourth Proportional to 137,622.24, 206,083.44 and 90,732.96

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Solution

The fourth proportional to 137,622.24, 206,083.44 and 90,732.96 is: 135,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,622.24 : 206,083.44 = 90,732.96 : x
  2. Step 2: Convert to fraction form
    137,622.24/206,083.44 = 90,732.96/x
  3. Step 3: Cross multiply
    137,622.24x = 206,083.44 × 90,732.96
  4. Step 4: Simplify right side
    137,622.24x = 18,698,560,518.18
  5. Step 5: Solve for x
    x = 18,698,560,518.18/137,622.24
  6. Step 6: Final answer
    x = 135,868.74

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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.