Home / 108,168.86-162,253.40-28,206.75

Finding the Fourth Proportional to 108,168.86, 162,253.40 and 28,206.75

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Solution

The fourth proportional to 108,168.86, 162,253.40 and 28,206.75 is: 42,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168.86 : 162,253.40 = 28,206.75 : x
  2. Step 2: Convert to fraction form
    108,168.86/162,253.40 = 28,206.75/x
  3. Step 3: Cross multiply
    108,168.86x = 162,253.40 × 28,206.75
  4. Step 4: Simplify right side
    108,168.86x = 4,576,640,949.42
  5. Step 5: Solve for x
    x = 4,576,640,949.42/108,168.86
  6. Step 6: Final answer
    x = 42,310.15

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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.