Home / 239,192.28-330,073.11-131,760

Finding the Fourth Proportional to 239,192.28, 330,073.11 and 131,760

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Solution

The fourth proportional to 239,192.28, 330,073.11 and 131,760 is: 181,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,192.28 : 330,073.11 = 131,760 : x
  2. Step 2: Convert to fraction form
    239,192.28/330,073.11 = 131,760/x
  3. Step 3: Cross multiply
    239,192.28x = 330,073.11 × 131,760
  4. Step 4: Simplify right side
    239,192.28x = 43,490,432,973.60
  5. Step 5: Solve for x
    x = 43,490,432,973.60/239,192.28
  6. Step 6: Final answer
    x = 181,822.06

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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.