Home / 137,977.38-206,928.99-38,114.10

Finding the Fourth Proportional to 137,977.38, 206,928.99 and 38,114.10

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Solution

The fourth proportional to 137,977.38, 206,928.99 and 38,114.10 is: 57,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,977.38 : 206,928.99 = 38,114.10 : x
  2. Step 2: Convert to fraction form
    137,977.38/206,928.99 = 38,114.10/x
  3. Step 3: Cross multiply
    137,977.38x = 206,928.99 × 38,114.10
  4. Step 4: Simplify right side
    137,977.38x = 7,886,912,217.76
  5. Step 5: Solve for x
    x = 7,886,912,217.76/137,977.38
  6. Step 6: Final answer
    x = 57,160.91

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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.