Home / 239,411.56-330,387.87-131,983.42

Finding the Fourth Proportional to 239,411.56, 330,387.87 and 131,983.42

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Solution

The fourth proportional to 239,411.56, 330,387.87 and 131,983.42 is: 182,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,411.56 : 330,387.87 = 131,983.42 : x
  2. Step 2: Convert to fraction form
    239,411.56/330,387.87 = 131,983.42/x
  3. Step 3: Cross multiply
    239,411.56x = 330,387.87 × 131,983.42
  4. Step 4: Simplify right side
    239,411.56x = 43,605,721,009.12
  5. Step 5: Solve for x
    x = 43,605,721,009.12/239,411.56
  6. Step 6: Final answer
    x = 182,137.07

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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.