Home / 143,623-215,475.48-48,873.94

Finding the Fourth Proportional to 143,623, 215,475.48 and 48,873.94

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Solution

The fourth proportional to 143,623, 215,475.48 and 48,873.94 is: 73,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,623 : 215,475.48 = 48,873.94 : x
  2. Step 2: Convert to fraction form
    143,623/215,475.48 = 48,873.94/x
  3. Step 3: Cross multiply
    143,623x = 215,475.48 × 48,873.94
  4. Step 4: Simplify right side
    143,623x = 10,531,135,680.99
  5. Step 5: Solve for x
    x = 10,531,135,680.99/143,623
  6. Step 6: Final answer
    x = 73,324.86

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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.