Home / 331,888.10-497,694.90-104,107.74

Finding the Fourth Proportional to 331,888.10, 497,694.90 and 104,107.74

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Solution

The fourth proportional to 331,888.10, 497,694.90 and 104,107.74 is: 156,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,888.10 : 497,694.90 = 104,107.74 : x
  2. Step 2: Convert to fraction form
    331,888.10/497,694.90 = 104,107.74/x
  3. Step 3: Cross multiply
    331,888.10x = 497,694.90 × 104,107.74
  4. Step 4: Simplify right side
    331,888.10x = 51,813,890,705.75
  5. Step 5: Solve for x
    x = 51,813,890,705.75/331,888.10
  6. Step 6: Final answer
    x = 156,118.56

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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.