Home / 137,784.45-206,676.68-49,138.05

Finding the Fourth Proportional to 137,784.45, 206,676.68 and 49,138.05

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Solution

The fourth proportional to 137,784.45, 206,676.68 and 49,138.05 is: 73,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,784.45 : 206,676.68 = 49,138.05 : x
  2. Step 2: Convert to fraction form
    137,784.45/206,676.68 = 49,138.05/x
  3. Step 3: Cross multiply
    137,784.45x = 206,676.68 × 49,138.05
  4. Step 4: Simplify right side
    137,784.45x = 10,155,688,789.98
  5. Step 5: Solve for x
    x = 10,155,688,789.98/137,784.45
  6. Step 6: Final answer
    x = 73,707.08

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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.