Home / 143,834.36-215,753.36-55,093.19

Finding the Fourth Proportional to 143,834.36, 215,753.36 and 55,093.19

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Solution

The fourth proportional to 143,834.36, 215,753.36 and 55,093.19 is: 82,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834.36 : 215,753.36 = 55,093.19 : x
  2. Step 2: Convert to fraction form
    143,834.36/215,753.36 = 55,093.19/x
  3. Step 3: Cross multiply
    143,834.36x = 215,753.36 × 55,093.19
  4. Step 4: Simplify right side
    143,834.36x = 11,886,539,501.39
  5. Step 5: Solve for x
    x = 11,886,539,501.39/143,834.36
  6. Step 6: Final answer
    x = 82,640.48

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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.