Home / 137,739.70-206,609.55-95,749.30

Finding the Fourth Proportional to 137,739.70, 206,609.55 and 95,749.30

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Solution

The fourth proportional to 137,739.70, 206,609.55 and 95,749.30 is: 143,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,739.70 : 206,609.55 = 95,749.30 : x
  2. Step 2: Convert to fraction form
    137,739.70/206,609.55 = 95,749.30/x
  3. Step 3: Cross multiply
    137,739.70x = 206,609.55 × 95,749.30
  4. Step 4: Simplify right side
    137,739.70x = 19,782,719,785.82
  5. Step 5: Solve for x
    x = 19,782,719,785.82/137,739.70
  6. Step 6: Final answer
    x = 143,623.95

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1.5x scale

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.