Home / 239,071.53-329,921.16-131,651.55

Finding the Fourth Proportional to 239,071.53, 329,921.16 and 131,651.55

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Solution

The fourth proportional to 239,071.53, 329,921.16 and 131,651.55 is: 181,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,071.53 : 329,921.16 = 131,651.55 : x
  2. Step 2: Convert to fraction form
    239,071.53/329,921.16 = 131,651.55/x
  3. Step 3: Cross multiply
    239,071.53x = 329,921.16 × 131,651.55
  4. Step 4: Simplify right side
    239,071.53x = 43,434,632,091.80
  5. Step 5: Solve for x
    x = 43,434,632,091.80/239,071.53
  6. Step 6: Final answer
    x = 181,680.49

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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.