Home / 108,817.43-163,207.31-29,912.90

Finding the Fourth Proportional to 108,817.43, 163,207.31 and 29,912.90

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Solution

The fourth proportional to 108,817.43, 163,207.31 and 29,912.90 is: 44,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,817.43 : 163,207.31 = 29,912.90 : x
  2. Step 2: Convert to fraction form
    108,817.43/163,207.31 = 29,912.90/x
  3. Step 3: Cross multiply
    108,817.43x = 163,207.31 × 29,912.90
  4. Step 4: Simplify right side
    108,817.43x = 4,882,002,977.70
  5. Step 5: Solve for x
    x = 4,882,002,977.70/108,817.43
  6. Step 6: Final answer
    x = 44,864.17

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1.5x scale

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.