Home / 75,175.20-112,791.60-73,994.40

Finding the Fourth Proportional to 75,175.20, 112,791.60 and 73,994.40

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Solution

The fourth proportional to 75,175.20, 112,791.60 and 73,994.40 is: 111,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,175.20 : 112,791.60 = 73,994.40 : x
  2. Step 2: Convert to fraction form
    75,175.20/112,791.60 = 73,994.40/x
  3. Step 3: Cross multiply
    75,175.20x = 112,791.60 × 73,994.40
  4. Step 4: Simplify right side
    75,175.20x = 8,345,946,767.04
  5. Step 5: Solve for x
    x = 8,345,946,767.04/75,175.20
  6. Step 6: Final answer
    x = 111,019.95

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1.5x scale

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.