Home / 239,311.89-330,242.27-131,883.62

Finding the Fourth Proportional to 239,311.89, 330,242.27 and 131,883.62

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Solution

The fourth proportional to 239,311.89, 330,242.27 and 131,883.62 is: 181,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,311.89 : 330,242.27 = 131,883.62 : x
  2. Step 2: Convert to fraction form
    239,311.89/330,242.27 = 131,883.62/x
  3. Step 3: Cross multiply
    239,311.89x = 330,242.27 × 131,883.62
  4. Step 4: Simplify right side
    239,311.89x = 43,553,543,733.99
  5. Step 5: Solve for x
    x = 43,553,543,733.99/239,311.89
  6. Step 6: Final answer
    x = 181,994.90

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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.