Home / 143,911.45-215,847.73-38,736.73

Finding the Fourth Proportional to 143,911.45, 215,847.73 and 38,736.73

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Solution

The fourth proportional to 143,911.45, 215,847.73 and 38,736.73 is: 58,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,911.45 : 215,847.73 = 38,736.73 : x
  2. Step 2: Convert to fraction form
    143,911.45/215,847.73 = 38,736.73/x
  3. Step 3: Cross multiply
    143,911.45x = 215,847.73 × 38,736.73
  4. Step 4: Simplify right side
    143,911.45x = 8,361,235,238.12
  5. Step 5: Solve for x
    x = 8,361,235,238.12/143,911.45
  6. Step 6: Final answer
    x = 58,099.86

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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.