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Finding the Fourth Proportional to 143,620.92, 215,529.81 and 50,126.67

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Solution

The fourth proportional to 143,620.92, 215,529.81 and 50,126.67 is: 75,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,620.92 : 215,529.81 = 50,126.67 : x
  2. Step 2: Convert to fraction form
    143,620.92/215,529.81 = 50,126.67/x
  3. Step 3: Cross multiply
    143,620.92x = 215,529.81 × 50,126.67
  4. Step 4: Simplify right side
    143,620.92x = 10,803,791,661.03
  5. Step 5: Solve for x
    x = 10,803,791,661.03/143,620.92
  6. Step 6: Final answer
    x = 75,224.36

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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.