Home / 108,286.64-162,320.87-45,141.69

Finding the Fourth Proportional to 108,286.64, 162,320.87 and 45,141.69

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Solution

The fourth proportional to 108,286.64, 162,320.87 and 45,141.69 is: 67,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,286.64 : 162,320.87 = 45,141.69 : x
  2. Step 2: Convert to fraction form
    108,286.64/162,320.87 = 45,141.69/x
  3. Step 3: Cross multiply
    108,286.64x = 162,320.87 × 45,141.69
  4. Step 4: Simplify right side
    108,286.64x = 7,327,438,394.07
  5. Step 5: Solve for x
    x = 7,327,438,394.07/108,286.64
  6. Step 6: Final answer
    x = 67,667.06

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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.