Home / 261,936.59-392,907.31-104,205.29

Finding the Fourth Proportional to 261,936.59, 392,907.31 and 104,205.29

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Solution

The fourth proportional to 261,936.59, 392,907.31 and 104,205.29 is: 156,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,936.59 : 392,907.31 = 104,205.29 : x
  2. Step 2: Convert to fraction form
    261,936.59/392,907.31 = 104,205.29/x
  3. Step 3: Cross multiply
    261,936.59x = 392,907.31 × 104,205.29
  4. Step 4: Simplify right side
    261,936.59x = 40,943,017,956.62
  5. Step 5: Solve for x
    x = 40,943,017,956.62/261,936.59
  6. Step 6: Final answer
    x = 156,308.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.