Home / 108,129.60-162,194.24-37,992.80

Finding the Fourth Proportional to 108,129.60, 162,194.24 and 37,992.80

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Solution

The fourth proportional to 108,129.60, 162,194.24 and 37,992.80 is: 56,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,129.60 : 162,194.24 = 37,992.80 : x
  2. Step 2: Convert to fraction form
    108,129.60/162,194.24 = 37,992.80/x
  3. Step 3: Cross multiply
    108,129.60x = 162,194.24 × 37,992.80
  4. Step 4: Simplify right side
    108,129.60x = 6,162,213,321.47
  5. Step 5: Solve for x
    x = 6,162,213,321.47/108,129.60
  6. Step 6: Final answer
    x = 56,989.14

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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.