Home / 105,559.11-158,349.04-30,679.88

Finding the Fourth Proportional to 105,559.11, 158,349.04 and 30,679.88

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Solution

The fourth proportional to 105,559.11, 158,349.04 and 30,679.88 is: 46,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,559.11 : 158,349.04 = 30,679.88 : x
  2. Step 2: Convert to fraction form
    105,559.11/158,349.04 = 30,679.88/x
  3. Step 3: Cross multiply
    105,559.11x = 158,349.04 × 30,679.88
  4. Step 4: Simplify right side
    105,559.11x = 4,858,128,676.87
  5. Step 5: Solve for x
    x = 4,858,128,676.87/105,559.11
  6. Step 6: Final answer
    x = 46,022.83

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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.