Home / 108,360.20-162,321.60-75,117.80

Finding the Fourth Proportional to 108,360.20, 162,321.60 and 75,117.80

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Solution

The fourth proportional to 108,360.20, 162,321.60 and 75,117.80 is: 112,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360.20 : 162,321.60 = 75,117.80 : x
  2. Step 2: Convert to fraction form
    108,360.20/162,321.60 = 75,117.80/x
  3. Step 3: Cross multiply
    108,360.20x = 162,321.60 × 75,117.80
  4. Step 4: Simplify right side
    108,360.20x = 12,193,241,484.48
  5. Step 5: Solve for x
    x = 12,193,241,484.48/108,360.20
  6. Step 6: Final answer
    x = 112,525.09

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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.