Home / 123,587.60-185,379.78-30,093.44

Finding the Fourth Proportional to 123,587.60, 185,379.78 and 30,093.44

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Solution

The fourth proportional to 123,587.60, 185,379.78 and 30,093.44 is: 45,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587.60 : 185,379.78 = 30,093.44 : x
  2. Step 2: Convert to fraction form
    123,587.60/185,379.78 = 30,093.44/x
  3. Step 3: Cross multiply
    123,587.60x = 185,379.78 × 30,093.44
  4. Step 4: Simplify right side
    123,587.60x = 5,578,715,286.64
  5. Step 5: Solve for x
    x = 5,578,715,286.64/123,587.60
  6. Step 6: Final answer
    x = 45,139.77

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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.