Home / 108,995.78-163,503.17-30,110.09

Finding the Fourth Proportional to 108,995.78, 163,503.17 and 30,110.09

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Solution

The fourth proportional to 108,995.78, 163,503.17 and 30,110.09 is: 45,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,995.78 : 163,503.17 = 30,110.09 : x
  2. Step 2: Convert to fraction form
    108,995.78/163,503.17 = 30,110.09/x
  3. Step 3: Cross multiply
    108,995.78x = 163,503.17 × 30,110.09
  4. Step 4: Simplify right side
    108,995.78x = 4,923,094,195.92
  5. Step 5: Solve for x
    x = 4,923,094,195.92/108,995.78
  6. Step 6: Final answer
    x = 45,167.75

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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.