Home / 108,512.20-162,816.90-49,317.40

Finding the Fourth Proportional to 108,512.20, 162,816.90 and 49,317.40

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Solution

The fourth proportional to 108,512.20, 162,816.90 and 49,317.40 is: 73,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.20 : 162,816.90 = 49,317.40 : x
  2. Step 2: Convert to fraction form
    108,512.20/162,816.90 = 49,317.40/x
  3. Step 3: Cross multiply
    108,512.20x = 162,816.90 × 49,317.40
  4. Step 4: Simplify right side
    108,512.20x = 8,029,706,184.06
  5. Step 5: Solve for x
    x = 8,029,706,184.06/108,512.20
  6. Step 6: Final answer
    x = 73,998.19

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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.