Home / 137,867.11-206,903.60-102,410.30

Finding the Fourth Proportional to 137,867.11, 206,903.60 and 102,410.30

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Solution

The fourth proportional to 137,867.11, 206,903.60 and 102,410.30 is: 153,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867.11 : 206,903.60 = 102,410.30 : x
  2. Step 2: Convert to fraction form
    137,867.11/206,903.60 = 102,410.30/x
  3. Step 3: Cross multiply
    137,867.11x = 206,903.60 × 102,410.30
  4. Step 4: Simplify right side
    137,867.11x = 21,189,059,747.08
  5. Step 5: Solve for x
    x = 21,189,059,747.08/137,867.11
  6. Step 6: Final answer
    x = 153,691.91

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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.