Home / 75,297.35-112,945.38-19,137.62

Finding the Fourth Proportional to 75,297.35, 112,945.38 and 19,137.62

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Solution

The fourth proportional to 75,297.35, 112,945.38 and 19,137.62 is: 28,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.35 : 112,945.38 = 19,137.62 : x
  2. Step 2: Convert to fraction form
    75,297.35/112,945.38 = 19,137.62/x
  3. Step 3: Cross multiply
    75,297.35x = 112,945.38 × 19,137.62
  4. Step 4: Simplify right side
    75,297.35x = 2,161,505,763.20
  5. Step 5: Solve for x
    x = 2,161,505,763.20/75,297.35
  6. Step 6: Final answer
    x = 28,706.27

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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.