Home / 239,160.75-330,041.44-131,738.05

Finding the Fourth Proportional to 239,160.75, 330,041.44 and 131,738.05

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Solution

The fourth proportional to 239,160.75, 330,041.44 and 131,738.05 is: 181,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,160.75 : 330,041.44 = 131,738.05 : x
  2. Step 2: Convert to fraction form
    239,160.75/330,041.44 = 131,738.05/x
  3. Step 3: Cross multiply
    239,160.75x = 330,041.44 × 131,738.05
  4. Step 4: Simplify right side
    239,160.75x = 43,479,015,724.79
  5. Step 5: Solve for x
    x = 43,479,015,724.79/239,160.75
  6. Step 6: Final answer
    x = 181,798.29

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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.