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Finding the Fourth Proportional to 109,924.80, 164,887.20 and 43,367.10

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Solution

The fourth proportional to 109,924.80, 164,887.20 and 43,367.10 is: 65,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,924.80 : 164,887.20 = 43,367.10 : x
  2. Step 2: Convert to fraction form
    109,924.80/164,887.20 = 43,367.10/x
  3. Step 3: Cross multiply
    109,924.80x = 164,887.20 × 43,367.10
  4. Step 4: Simplify right side
    109,924.80x = 7,150,679,691.12
  5. Step 5: Solve for x
    x = 7,150,679,691.12/109,924.80
  6. Step 6: Final answer
    x = 65,050.65

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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.