Home / 143,631.90-215,546.22-50,137.65

Finding the Fourth Proportional to 143,631.90, 215,546.22 and 50,137.65

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Solution

The fourth proportional to 143,631.90, 215,546.22 and 50,137.65 is: 75,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,631.90 : 215,546.22 = 50,137.65 : x
  2. Step 2: Convert to fraction form
    143,631.90/215,546.22 = 50,137.65/x
  3. Step 3: Cross multiply
    143,631.90x = 215,546.22 × 50,137.65
  4. Step 4: Simplify right side
    143,631.90x = 10,806,980,937.18
  5. Step 5: Solve for x
    x = 10,806,980,937.18/143,631.90
  6. Step 6: Final answer
    x = 75,240.81

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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.