Home / 108,172.64-162,258.24-29,286.56

Finding the Fourth Proportional to 108,172.64, 162,258.24 and 29,286.56

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Solution

The fourth proportional to 108,172.64, 162,258.24 and 29,286.56 is: 43,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172.64 : 162,258.24 = 29,286.56 : x
  2. Step 2: Convert to fraction form
    108,172.64/162,258.24 = 29,286.56/x
  3. Step 3: Cross multiply
    108,172.64x = 162,258.24 × 29,286.56
  4. Step 4: Simplify right side
    108,172.64x = 4,751,985,681.25
  5. Step 5: Solve for x
    x = 4,751,985,681.25/108,172.64
  6. Step 6: Final answer
    x = 43,929.65

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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.