Home / 104,638.11-142,468.74-104,305.97

Finding the Fourth Proportional to 104,638.11, 142,468.74 and 104,305.97

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Solution

The fourth proportional to 104,638.11, 142,468.74 and 104,305.97 is: 142,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.11 : 142,468.74 = 104,305.97 : x
  2. Step 2: Convert to fraction form
    104,638.11/142,468.74 = 104,305.97/x
  3. Step 3: Cross multiply
    104,638.11x = 142,468.74 × 104,305.97
  4. Step 4: Simplify right side
    104,638.11x = 14,860,339,408.03
  5. Step 5: Solve for x
    x = 14,860,339,408.03/104,638.11
  6. Step 6: Final answer
    x = 142,016.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.