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Finding the Fourth Proportional to 119,408.82, 179,051.40 and 35,158.02

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Solution

The fourth proportional to 119,408.82, 179,051.40 and 35,158.02 is: 52,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,408.82 : 179,051.40 = 35,158.02 : x
  2. Step 2: Convert to fraction form
    119,408.82/179,051.40 = 35,158.02/x
  3. Step 3: Cross multiply
    119,408.82x = 179,051.40 × 35,158.02
  4. Step 4: Simplify right side
    119,408.82x = 6,295,092,702.23
  5. Step 5: Solve for x
    x = 6,295,092,702.23/119,408.82
  6. Step 6: Final answer
    x = 52,718.83

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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.