Home / 185,788.42-278,611.32-79,104.74

Finding the Fourth Proportional to 185,788.42, 278,611.32 and 79,104.74

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Solution

The fourth proportional to 185,788.42, 278,611.32 and 79,104.74 is: 118,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.42 : 278,611.32 = 79,104.74 : x
  2. Step 2: Convert to fraction form
    185,788.42/278,611.32 = 79,104.74/x
  3. Step 3: Cross multiply
    185,788.42x = 278,611.32 × 79,104.74
  4. Step 4: Simplify right side
    185,788.42x = 22,039,476,029.66
  5. Step 5: Solve for x
    x = 22,039,476,029.66/185,788.42
  6. Step 6: Final answer
    x = 118,626.75

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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.