Home / 108,254.80-162,382.20-96,979.60

Finding the Fourth Proportional to 108,254.80, 162,382.20 and 96,979.60

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Solution

The fourth proportional to 108,254.80, 162,382.20 and 96,979.60 is: 145,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,254.80 : 162,382.20 = 96,979.60 : x
  2. Step 2: Convert to fraction form
    108,254.80/162,382.20 = 96,979.60/x
  3. Step 3: Cross multiply
    108,254.80x = 162,382.20 × 96,979.60
  4. Step 4: Simplify right side
    108,254.80x = 15,747,760,803.12
  5. Step 5: Solve for x
    x = 15,747,760,803.12/108,254.80
  6. Step 6: Final answer
    x = 145,469.40

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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.