Home / 445,849.67-668,784.77-108,893.12

Finding the Fourth Proportional to 445,849.67, 668,784.77 and 108,893.12

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Solution

The fourth proportional to 445,849.67, 668,784.77 and 108,893.12 is: 163,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,849.67 : 668,784.77 = 108,893.12 : x
  2. Step 2: Convert to fraction form
    445,849.67/668,784.77 = 108,893.12/x
  3. Step 3: Cross multiply
    445,849.67x = 668,784.77 × 108,893.12
  4. Step 4: Simplify right side
    445,849.67x = 72,826,056,325.39
  5. Step 5: Solve for x
    x = 72,826,056,325.39/445,849.67
  6. Step 6: Final answer
    x = 163,342.18

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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.