Home / 143,620.80-215,529.60-50,126.55

Finding the Fourth Proportional to 143,620.80, 215,529.60 and 50,126.55

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Solution

The fourth proportional to 143,620.80, 215,529.60 and 50,126.55 is: 75,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,620.80 : 215,529.60 = 50,126.55 : x
  2. Step 2: Convert to fraction form
    143,620.80/215,529.60 = 50,126.55/x
  3. Step 3: Cross multiply
    143,620.80x = 215,529.60 × 50,126.55
  4. Step 4: Simplify right side
    143,620.80x = 10,803,755,270.88
  5. Step 5: Solve for x
    x = 10,803,755,270.88/143,620.80
  6. Step 6: Final answer
    x = 75,224.17

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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.