Home / 108,285.12-162,445.20-33,387.75

Finding the Fourth Proportional to 108,285.12, 162,445.20 and 33,387.75

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Solution

The fourth proportional to 108,285.12, 162,445.20 and 33,387.75 is: 50,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.12 : 162,445.20 = 33,387.75 : x
  2. Step 2: Convert to fraction form
    108,285.12/162,445.20 = 33,387.75/x
  3. Step 3: Cross multiply
    108,285.12x = 162,445.20 × 33,387.75
  4. Step 4: Simplify right side
    108,285.12x = 5,423,679,726.30
  5. Step 5: Solve for x
    x = 5,423,679,726.30/108,285.12
  6. Step 6: Final answer
    x = 50,087.03

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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.