Home / 239,250.35-330,163.85-131,817.89

Finding the Fourth Proportional to 239,250.35, 330,163.85 and 131,817.89

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Solution

The fourth proportional to 239,250.35, 330,163.85 and 131,817.89 is: 181,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,250.35 : 330,163.85 = 131,817.89 : x
  2. Step 2: Convert to fraction form
    239,250.35/330,163.85 = 131,817.89/x
  3. Step 3: Cross multiply
    239,250.35x = 330,163.85 × 131,817.89
  4. Step 4: Simplify right side
    239,250.35x = 43,521,500,410.46
  5. Step 5: Solve for x
    x = 43,521,500,410.46/239,250.35
  6. Step 6: Final answer
    x = 181,907.79

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1.5x scale

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.