Home / 108,072.28-162,107.02-28,103.16

Finding the Fourth Proportional to 108,072.28, 162,107.02 and 28,103.16

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Solution

The fourth proportional to 108,072.28, 162,107.02 and 28,103.16 is: 42,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072.28 : 162,107.02 = 28,103.16 : x
  2. Step 2: Convert to fraction form
    108,072.28/162,107.02 = 28,103.16/x
  3. Step 3: Cross multiply
    108,072.28x = 162,107.02 × 28,103.16
  4. Step 4: Simplify right side
    108,072.28x = 4,555,719,520.18
  5. Step 5: Solve for x
    x = 4,555,719,520.18/108,072.28
  6. Step 6: Final answer
    x = 42,154.38

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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.