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Finding the Fourth Proportional to 100,156.64, 150,249.77 and 29,070.07

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Solution

The fourth proportional to 100,156.64, 150,249.77 and 29,070.07 is: 43,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,156.64 : 150,249.77 = 29,070.07 : x
  2. Step 2: Convert to fraction form
    100,156.64/150,249.77 = 29,070.07/x
  3. Step 3: Cross multiply
    100,156.64x = 150,249.77 × 29,070.07
  4. Step 4: Simplify right side
    100,156.64x = 4,367,771,028.43
  5. Step 5: Solve for x
    x = 4,367,771,028.43/100,156.64
  6. Step 6: Final answer
    x = 43,609.40

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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.