Home / 143,622.22-215,531.76-50,127.97

Finding the Fourth Proportional to 143,622.22, 215,531.76 and 50,127.97

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Solution

The fourth proportional to 143,622.22, 215,531.76 and 50,127.97 is: 75,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,622.22 : 215,531.76 = 50,127.97 : x
  2. Step 2: Convert to fraction form
    143,622.22/215,531.76 = 50,127.97/x
  3. Step 3: Cross multiply
    143,622.22x = 215,531.76 × 50,127.97
  4. Step 4: Simplify right side
    143,622.22x = 10,804,169,599.33
  5. Step 5: Solve for x
    x = 10,804,169,599.33/143,622.22
  6. Step 6: Final answer
    x = 75,226.31

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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.