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Finding the Fourth Proportional to 100,377.64, 138,523.08 and 60,093.16

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Solution

The fourth proportional to 100,377.64, 138,523.08 and 60,093.16 is: 82,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,377.64 : 138,523.08 = 60,093.16 : x
  2. Step 2: Convert to fraction form
    100,377.64/138,523.08 = 60,093.16/x
  3. Step 3: Cross multiply
    100,377.64x = 138,523.08 × 60,093.16
  4. Step 4: Simplify right side
    100,377.64x = 8,324,289,610.13
  5. Step 5: Solve for x
    x = 8,324,289,610.13/100,377.64
  6. Step 6: Final answer
    x = 82,929.72

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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.