Home / 108,170.18-162,255.38-28,208.08

Finding the Fourth Proportional to 108,170.18, 162,255.38 and 28,208.08

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Solution

The fourth proportional to 108,170.18, 162,255.38 and 28,208.08 is: 42,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,170.18 : 162,255.38 = 28,208.08 : x
  2. Step 2: Convert to fraction form
    108,170.18/162,255.38 = 28,208.08/x
  3. Step 3: Cross multiply
    108,170.18x = 162,255.38 × 28,208.08
  4. Step 4: Simplify right side
    108,170.18x = 4,576,912,801.25
  5. Step 5: Solve for x
    x = 4,576,912,801.25/108,170.18
  6. Step 6: Final answer
    x = 42,312.15

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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.