Home / 108,995.46-163,515.60-45,778.38

Finding the Fourth Proportional to 108,995.46, 163,515.60 and 45,778.38

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Solution

The fourth proportional to 108,995.46, 163,515.60 and 45,778.38 is: 68,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,995.46 : 163,515.60 = 45,778.38 : x
  2. Step 2: Convert to fraction form
    108,995.46/163,515.60 = 45,778.38/x
  3. Step 3: Cross multiply
    108,995.46x = 163,515.60 × 45,778.38
  4. Step 4: Simplify right side
    108,995.46x = 7,485,479,272.73
  5. Step 5: Solve for x
    x = 7,485,479,272.73/108,995.46
  6. Step 6: Final answer
    x = 68,676.98

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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.