Home / 137,744.10-206,579.70-42,974.10

Finding the Fourth Proportional to 137,744.10, 206,579.70 and 42,974.10

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Solution

The fourth proportional to 137,744.10, 206,579.70 and 42,974.10 is: 64,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,744.10 : 206,579.70 = 42,974.10 : x
  2. Step 2: Convert to fraction form
    137,744.10/206,579.70 = 42,974.10/x
  3. Step 3: Cross multiply
    137,744.10x = 206,579.70 × 42,974.10
  4. Step 4: Simplify right side
    137,744.10x = 8,877,576,685.77
  5. Step 5: Solve for x
    x = 8,877,576,685.77/137,744.10
  6. Step 6: Final answer
    x = 64,449.78

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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.