Home / 108,027.12-162,043.08-29,142

Finding the Fourth Proportional to 108,027.12, 162,043.08 and 29,142

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Solution

The fourth proportional to 108,027.12, 162,043.08 and 29,142 is: 43,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.12 : 162,043.08 = 29,142 : x
  2. Step 2: Convert to fraction form
    108,027.12/162,043.08 = 29,142/x
  3. Step 3: Cross multiply
    108,027.12x = 162,043.08 × 29,142
  4. Step 4: Simplify right side
    108,027.12x = 4,722,259,437.36
  5. Step 5: Solve for x
    x = 4,722,259,437.36/108,027.12
  6. Step 6: Final answer
    x = 43,713.65

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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.