Home / 119,262.21-178,916-40,355.25

Finding the Fourth Proportional to 119,262.21, 178,916 and 40,355.25

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Solution

The fourth proportional to 119,262.21, 178,916 and 40,355.25 is: 60,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,262.21 : 178,916 = 40,355.25 : x
  2. Step 2: Convert to fraction form
    119,262.21/178,916 = 40,355.25/x
  3. Step 3: Cross multiply
    119,262.21x = 178,916 × 40,355.25
  4. Step 4: Simplify right side
    119,262.21x = 7,220,199,909
  5. Step 5: Solve for x
    x = 7,220,199,909/119,262.21
  6. Step 6: Final answer
    x = 60,540.55

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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.