Home / 138,917.73-208,408.17-58,958.62

Finding the Fourth Proportional to 138,917.73, 208,408.17 and 58,958.62

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Solution

The fourth proportional to 138,917.73, 208,408.17 and 58,958.62 is: 88,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,917.73 : 208,408.17 = 58,958.62 : x
  2. Step 2: Convert to fraction form
    138,917.73/208,408.17 = 58,958.62/x
  3. Step 3: Cross multiply
    138,917.73x = 208,408.17 × 58,958.62
  4. Step 4: Simplify right side
    138,917.73x = 12,287,457,800.00
  5. Step 5: Solve for x
    x = 12,287,457,800.00/138,917.73
  6. Step 6: Final answer
    x = 88,451.33

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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.