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Finding the Fourth Proportional to 119,379.56, 179,007.72 and 35,128.77

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Solution

The fourth proportional to 119,379.56, 179,007.72 and 35,128.77 is: 52,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,379.56 : 179,007.72 = 35,128.77 : x
  2. Step 2: Convert to fraction form
    119,379.56/179,007.72 = 35,128.77/x
  3. Step 3: Cross multiply
    119,379.56x = 179,007.72 × 35,128.77
  4. Step 4: Simplify right side
    119,379.56x = 6,288,321,392.11
  5. Step 5: Solve for x
    x = 6,288,321,392.11/119,379.56
  6. Step 6: Final answer
    x = 52,675.03

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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.