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Finding the Fourth Proportional to 79,449.14, 119,173.91 and 19,477.88

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Solution

The fourth proportional to 79,449.14, 119,173.91 and 19,477.88 is: 29,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.14 : 119,173.91 = 19,477.88 : x
  2. Step 2: Convert to fraction form
    79,449.14/119,173.91 = 19,477.88/x
  3. Step 3: Cross multiply
    79,449.14x = 119,173.91 × 19,477.88
  4. Step 4: Simplify right side
    79,449.14x = 2,321,255,118.11
  5. Step 5: Solve for x
    x = 2,321,255,118.11/79,449.14
  6. Step 6: Final answer
    x = 29,216.87

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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.