Home / 220,827.81-331,234.64-92,811.92

Finding the Fourth Proportional to 220,827.81, 331,234.64 and 92,811.92

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Solution

The fourth proportional to 220,827.81, 331,234.64 and 92,811.92 is: 139,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,827.81 : 331,234.64 = 92,811.92 : x
  2. Step 2: Convert to fraction form
    220,827.81/331,234.64 = 92,811.92/x
  3. Step 3: Cross multiply
    220,827.81x = 331,234.64 × 92,811.92
  4. Step 4: Simplify right side
    220,827.81x = 30,742,520,788.68
  5. Step 5: Solve for x
    x = 30,742,520,788.68/220,827.81
  6. Step 6: Final answer
    x = 139,214.90

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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.