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Finding the Fourth Proportional to 119,468.47, 179,102.26 and 79,904.83

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Solution

The fourth proportional to 119,468.47, 179,102.26 and 79,904.83 is: 119,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,468.47 : 179,102.26 = 79,904.83 : x
  2. Step 2: Convert to fraction form
    119,468.47/179,102.26 = 79,904.83/x
  3. Step 3: Cross multiply
    119,468.47x = 179,102.26 × 79,904.83
  4. Step 4: Simplify right side
    119,468.47x = 14,311,135,290.04
  5. Step 5: Solve for x
    x = 14,311,135,290.04/119,468.47
  6. Step 6: Final answer
    x = 119,790.06

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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.