Home / 137,327.59-206,103.12-70,786.75

Finding the Fourth Proportional to 137,327.59, 206,103.12 and 70,786.75

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Solution

The fourth proportional to 137,327.59, 206,103.12 and 70,786.75 is: 106,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,327.59 : 206,103.12 = 70,786.75 : x
  2. Step 2: Convert to fraction form
    137,327.59/206,103.12 = 70,786.75/x
  3. Step 3: Cross multiply
    137,327.59x = 206,103.12 × 70,786.75
  4. Step 4: Simplify right side
    137,327.59x = 14,589,369,176.11
  5. Step 5: Solve for x
    x = 14,589,369,176.11/137,327.59
  6. Step 6: Final answer
    x = 106,237.72

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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.