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Finding the Fourth Proportional to 195,147.28, 292,487.88 and 100,422.88

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Solution

The fourth proportional to 195,147.28, 292,487.88 and 100,422.88 is: 150,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,147.28 : 292,487.88 = 100,422.88 : x
  2. Step 2: Convert to fraction form
    195,147.28/292,487.88 = 100,422.88/x
  3. Step 3: Cross multiply
    195,147.28x = 292,487.88 × 100,422.88
  4. Step 4: Simplify right side
    195,147.28x = 29,372,475,274.69
  5. Step 5: Solve for x
    x = 29,372,475,274.69/195,147.28
  6. Step 6: Final answer
    x = 150,514.40

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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.