Home / 219,755.76-329,650.07-93,381.81

Finding the Fourth Proportional to 219,755.76, 329,650.07 and 93,381.81

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Solution

The fourth proportional to 219,755.76, 329,650.07 and 93,381.81 is: 140,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,755.76 : 329,650.07 = 93,381.81 : x
  2. Step 2: Convert to fraction form
    219,755.76/329,650.07 = 93,381.81/x
  3. Step 3: Cross multiply
    219,755.76x = 329,650.07 × 93,381.81
  4. Step 4: Simplify right side
    219,755.76x = 30,783,319,736.32
  5. Step 5: Solve for x
    x = 30,783,319,736.32/219,755.76
  6. Step 6: Final answer
    x = 140,079.69

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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.