Home / 138,769.22-208,163.10-48,801.14

Finding the Fourth Proportional to 138,769.22, 208,163.10 and 48,801.14

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Solution

The fourth proportional to 138,769.22, 208,163.10 and 48,801.14 is: 73,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,769.22 : 208,163.10 = 48,801.14 : x
  2. Step 2: Convert to fraction form
    138,769.22/208,163.10 = 48,801.14/x
  3. Step 3: Cross multiply
    138,769.22x = 208,163.10 × 48,801.14
  4. Step 4: Simplify right side
    138,769.22x = 10,158,596,585.93
  5. Step 5: Solve for x
    x = 10,158,596,585.93/138,769.22
  6. Step 6: Final answer
    x = 73,204.97

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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.