Home / 239,102.40-329,961.36-131,672.16

Finding the Fourth Proportional to 239,102.40, 329,961.36 and 131,672.16

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Solution

The fourth proportional to 239,102.40, 329,961.36 and 131,672.16 is: 181,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,102.40 : 329,961.36 = 131,672.16 : x
  2. Step 2: Convert to fraction form
    239,102.40/329,961.36 = 131,672.16/x
  3. Step 3: Cross multiply
    239,102.40x = 329,961.36 × 131,672.16
  4. Step 4: Simplify right side
    239,102.40x = 43,446,724,987.74
  5. Step 5: Solve for x
    x = 43,446,724,987.74/239,102.40
  6. Step 6: Final answer
    x = 181,707.61

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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.