Home / 239,121.72-329,996.43-131,699.93

Finding the Fourth Proportional to 239,121.72, 329,996.43 and 131,699.93

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Solution

The fourth proportional to 239,121.72, 329,996.43 and 131,699.93 is: 181,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,121.72 : 329,996.43 = 131,699.93 : x
  2. Step 2: Convert to fraction form
    239,121.72/329,996.43 = 131,699.93/x
  3. Step 3: Cross multiply
    239,121.72x = 329,996.43 × 131,699.93
  4. Step 4: Simplify right side
    239,121.72x = 43,460,505,081.27
  5. Step 5: Solve for x
    x = 43,460,505,081.27/239,121.72
  6. Step 6: Final answer
    x = 181,750.55

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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.