Home / 239,089.12-329,945.14-131,659.58

Finding the Fourth Proportional to 239,089.12, 329,945.14 and 131,659.58

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Solution

The fourth proportional to 239,089.12, 329,945.14 and 131,659.58 is: 181,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,089.12 : 329,945.14 = 131,659.58 : x
  2. Step 2: Convert to fraction form
    239,089.12/329,945.14 = 131,659.58/x
  3. Step 3: Cross multiply
    239,089.12x = 329,945.14 × 131,659.58
  4. Step 4: Simplify right side
    239,089.12x = 43,440,438,555.44
  5. Step 5: Solve for x
    x = 43,440,438,555.44/239,089.12
  6. Step 6: Final answer
    x = 181,691.41

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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.