Home / 239,399.42-330,367.63-131,967.15

Finding the Fourth Proportional to 239,399.42, 330,367.63 and 131,967.15

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Solution

The fourth proportional to 239,399.42, 330,367.63 and 131,967.15 is: 182,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,399.42 : 330,367.63 = 131,967.15 : x
  2. Step 2: Convert to fraction form
    239,399.42/330,367.63 = 131,967.15/x
  3. Step 3: Cross multiply
    239,399.42x = 330,367.63 × 131,967.15
  4. Step 4: Simplify right side
    239,399.42x = 43,597,674,583.35
  5. Step 5: Solve for x
    x = 43,597,674,583.35/239,399.42
  6. Step 6: Final answer
    x = 182,112.70

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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.