Home / 108,170.37-162,255.68-28,208.27

Finding the Fourth Proportional to 108,170.37, 162,255.68 and 28,208.27

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Solution

The fourth proportional to 108,170.37, 162,255.68 and 28,208.27 is: 42,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,170.37 : 162,255.68 = 28,208.27 : x
  2. Step 2: Convert to fraction form
    108,170.37/162,255.68 = 28,208.27/x
  3. Step 3: Cross multiply
    108,170.37x = 162,255.68 × 28,208.27
  4. Step 4: Simplify right side
    108,170.37x = 4,576,952,030.47
  5. Step 5: Solve for x
    x = 4,576,952,030.47/108,170.37
  6. Step 6: Final answer
    x = 42,312.44

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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.