Home / 239,261.08-330,180.24-131,830.80

Finding the Fourth Proportional to 239,261.08, 330,180.24 and 131,830.80

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Solution

The fourth proportional to 239,261.08, 330,180.24 and 131,830.80 is: 181,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,261.08 : 330,180.24 = 131,830.80 : x
  2. Step 2: Convert to fraction form
    239,261.08/330,180.24 = 131,830.80/x
  3. Step 3: Cross multiply
    239,261.08x = 330,180.24 × 131,830.80
  4. Step 4: Simplify right side
    239,261.08x = 43,527,925,183.39
  5. Step 5: Solve for x
    x = 43,527,925,183.39/239,261.08
  6. Step 6: Final answer
    x = 181,926.48

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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.