Home / 103,083.98-154,530.83-71,508.94

Finding the Fourth Proportional to 103,083.98, 154,530.83 and 71,508.94

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Solution

The fourth proportional to 103,083.98, 154,530.83 and 71,508.94 is: 107,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083.98 : 154,530.83 = 71,508.94 : x
  2. Step 2: Convert to fraction form
    103,083.98/154,530.83 = 71,508.94/x
  3. Step 3: Cross multiply
    103,083.98x = 154,530.83 × 71,508.94
  4. Step 4: Simplify right side
    103,083.98x = 11,050,335,850.62
  5. Step 5: Solve for x
    x = 11,050,335,850.62/103,083.98
  6. Step 6: Final answer
    x = 107,197.41

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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.