Home / 239,787.81-330,907.19-132,357.87

Finding the Fourth Proportional to 239,787.81, 330,907.19 and 132,357.87

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Solution

The fourth proportional to 239,787.81, 330,907.19 and 132,357.87 is: 182,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.81 : 330,907.19 = 132,357.87 : x
  2. Step 2: Convert to fraction form
    239,787.81/330,907.19 = 132,357.87/x
  3. Step 3: Cross multiply
    239,787.81x = 330,907.19 × 132,357.87
  4. Step 4: Simplify right side
    239,787.81x = 43,798,170,836.09
  5. Step 5: Solve for x
    x = 43,798,170,836.09/239,787.81
  6. Step 6: Final answer
    x = 182,653.87

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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.