Home / 100,327.03-138,452.87-60,042.49

Finding the Fourth Proportional to 100,327.03, 138,452.87 and 60,042.49

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Solution

The fourth proportional to 100,327.03, 138,452.87 and 60,042.49 is: 82,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327.03 : 138,452.87 = 60,042.49 : x
  2. Step 2: Convert to fraction form
    100,327.03/138,452.87 = 60,042.49/x
  3. Step 3: Cross multiply
    100,327.03x = 138,452.87 × 60,042.49
  4. Step 4: Simplify right side
    100,327.03x = 8,313,054,866.42
  5. Step 5: Solve for x
    x = 8,313,054,866.42/100,327.03
  6. Step 6: Final answer
    x = 82,859.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.