Home / 92,147.28-138,183.72-35,979.36

Finding the Fourth Proportional to 92,147.28, 138,183.72 and 35,979.36

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Solution

The fourth proportional to 92,147.28, 138,183.72 and 35,979.36 is: 53,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,147.28 : 138,183.72 = 35,979.36 : x
  2. Step 2: Convert to fraction form
    92,147.28/138,183.72 = 35,979.36/x
  3. Step 3: Cross multiply
    92,147.28x = 138,183.72 × 35,979.36
  4. Step 4: Simplify right side
    92,147.28x = 4,971,761,808.02
  5. Step 5: Solve for x
    x = 4,971,761,808.02/92,147.28
  6. Step 6: Final answer
    x = 53,954.52

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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.