Home / 100,566.12-138,738.78-60,267

Finding the Fourth Proportional to 100,566.12, 138,738.78 and 60,267

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Solution

The fourth proportional to 100,566.12, 138,738.78 and 60,267 is: 83,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,566.12 : 138,738.78 = 60,267 : x
  2. Step 2: Convert to fraction form
    100,566.12/138,738.78 = 60,267/x
  3. Step 3: Cross multiply
    100,566.12x = 138,738.78 × 60,267
  4. Step 4: Simplify right side
    100,566.12x = 8,361,370,054.26
  5. Step 5: Solve for x
    x = 8,361,370,054.26/100,566.12
  6. Step 6: Final answer
    x = 83,143.01

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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.