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Finding the Fourth Proportional to 76,110.25, 114,165.87 and 19,949.88

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Solution

The fourth proportional to 76,110.25, 114,165.87 and 19,949.88 is: 29,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,110.25 : 114,165.87 = 19,949.88 : x
  2. Step 2: Convert to fraction form
    76,110.25/114,165.87 = 19,949.88/x
  3. Step 3: Cross multiply
    76,110.25x = 114,165.87 × 19,949.88
  4. Step 4: Simplify right side
    76,110.25x = 2,277,595,406.60
  5. Step 5: Solve for x
    x = 2,277,595,406.60/76,110.25
  6. Step 6: Final answer
    x = 29,924.95

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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.