Home / 108,331.78-162,501.05-29,447.68

Finding the Fourth Proportional to 108,331.78, 162,501.05 and 29,447.68

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Solution

The fourth proportional to 108,331.78, 162,501.05 and 29,447.68 is: 44,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.78 : 162,501.05 = 29,447.68 : x
  2. Step 2: Convert to fraction form
    108,331.78/162,501.05 = 29,447.68/x
  3. Step 3: Cross multiply
    108,331.78x = 162,501.05 × 29,447.68
  4. Step 4: Simplify right side
    108,331.78x = 4,785,278,920.06
  5. Step 5: Solve for x
    x = 4,785,278,920.06/108,331.78
  6. Step 6: Final answer
    x = 44,172.44

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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.