Home / 204,411.12-306,733.32-79,722.96

Finding the Fourth Proportional to 204,411.12, 306,733.32 and 79,722.96

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Solution

The fourth proportional to 204,411.12, 306,733.32 and 79,722.96 is: 119,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,411.12 : 306,733.32 = 79,722.96 : x
  2. Step 2: Convert to fraction form
    204,411.12/306,733.32 = 79,722.96/x
  3. Step 3: Cross multiply
    204,411.12x = 306,733.32 × 79,722.96
  4. Step 4: Simplify right side
    204,411.12x = 24,453,688,201.03
  5. Step 5: Solve for x
    x = 24,453,688,201.03/204,411.12
  6. Step 6: Final answer
    x = 119,629.93

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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.