Home / 143,621.92-215,531.31-50,127.67

Finding the Fourth Proportional to 143,621.92, 215,531.31 and 50,127.67

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Solution

The fourth proportional to 143,621.92, 215,531.31 and 50,127.67 is: 75,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621.92 : 215,531.31 = 50,127.67 : x
  2. Step 2: Convert to fraction form
    143,621.92/215,531.31 = 50,127.67/x
  3. Step 3: Cross multiply
    143,621.92x = 215,531.31 × 50,127.67
  4. Step 4: Simplify right side
    143,621.92x = 10,804,082,382.35
  5. Step 5: Solve for x
    x = 10,804,082,382.35/143,621.92
  6. Step 6: Final answer
    x = 75,225.86

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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.