Home / 108,021.90-162,013.26-29,117.68

Finding the Fourth Proportional to 108,021.90, 162,013.26 and 29,117.68

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Solution

The fourth proportional to 108,021.90, 162,013.26 and 29,117.68 is: 43,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021.90 : 162,013.26 = 29,117.68 : x
  2. Step 2: Convert to fraction form
    108,021.90/162,013.26 = 29,117.68/x
  3. Step 3: Cross multiply
    108,021.90x = 162,013.26 × 29,117.68
  4. Step 4: Simplify right side
    108,021.90x = 4,717,449,964.59
  5. Step 5: Solve for x
    x = 4,717,449,964.59/108,021.90
  6. Step 6: Final answer
    x = 43,671.24

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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.