Home / 143,922.30-215,883.45-50,415.90

Finding the Fourth Proportional to 143,922.30, 215,883.45 and 50,415.90

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Solution

The fourth proportional to 143,922.30, 215,883.45 and 50,415.90 is: 75,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,922.30 : 215,883.45 = 50,415.90 : x
  2. Step 2: Convert to fraction form
    143,922.30/215,883.45 = 50,415.90/x
  3. Step 3: Cross multiply
    143,922.30x = 215,883.45 × 50,415.90
  4. Step 4: Simplify right side
    143,922.30x = 10,883,958,426.86
  5. Step 5: Solve for x
    x = 10,883,958,426.86/143,922.30
  6. Step 6: Final answer
    x = 75,623.85

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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.