Home / 239,252.42-330,168.66-130,356.20

Finding the Fourth Proportional to 239,252.42, 330,168.66 and 130,356.20

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Solution

The fourth proportional to 239,252.42, 330,168.66 and 130,356.20 is: 179,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,252.42 : 330,168.66 = 130,356.20 : x
  2. Step 2: Convert to fraction form
    239,252.42/330,168.66 = 130,356.20/x
  3. Step 3: Cross multiply
    239,252.42x = 330,168.66 × 130,356.20
  4. Step 4: Simplify right side
    239,252.42x = 43,039,531,876.69
  5. Step 5: Solve for x
    x = 43,039,531,876.69/239,252.42
  6. Step 6: Final answer
    x = 179,891.73

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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.