Home / 239,220.92-330,113.04-131,788.10

Finding the Fourth Proportional to 239,220.92, 330,113.04 and 131,788.10

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Solution

The fourth proportional to 239,220.92, 330,113.04 and 131,788.10 is: 181,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,220.92 : 330,113.04 = 131,788.10 : x
  2. Step 2: Convert to fraction form
    239,220.92/330,113.04 = 131,788.10/x
  3. Step 3: Cross multiply
    239,220.92x = 330,113.04 × 131,788.10
  4. Step 4: Simplify right side
    239,220.92x = 43,504,970,326.82
  5. Step 5: Solve for x
    x = 43,504,970,326.82/239,220.92
  6. Step 6: Final answer
    x = 181,861.06

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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.