Home / 143,623.41-215,457.12-50,107.29

Finding the Fourth Proportional to 143,623.41, 215,457.12 and 50,107.29

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Solution

The fourth proportional to 143,623.41, 215,457.12 and 50,107.29 is: 75,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,623.41 : 215,457.12 = 50,107.29 : x
  2. Step 2: Convert to fraction form
    143,623.41/215,457.12 = 50,107.29/x
  3. Step 3: Cross multiply
    143,623.41x = 215,457.12 × 50,107.29
  4. Step 4: Simplify right side
    143,623.41x = 10,795,972,394.40
  5. Step 5: Solve for x
    x = 10,795,972,394.40/143,623.41
  6. Step 6: Final answer
    x = 75,168.61

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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.