Home / 236,375.21-354,565.76-78,603.62

Finding the Fourth Proportional to 236,375.21, 354,565.76 and 78,603.62

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Solution

The fourth proportional to 236,375.21, 354,565.76 and 78,603.62 is: 117,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,375.21 : 354,565.76 = 78,603.62 : x
  2. Step 2: Convert to fraction form
    236,375.21/354,565.76 = 78,603.62/x
  3. Step 3: Cross multiply
    236,375.21x = 354,565.76 × 78,603.62
  4. Step 4: Simplify right side
    236,375.21x = 27,870,150,098.20
  5. Step 5: Solve for x
    x = 27,870,150,098.20/236,375.21
  6. Step 6: Final answer
    x = 117,906.40

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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.