Home / 92,855.82-139,231.45-29,661.10

Finding the Fourth Proportional to 92,855.82, 139,231.45 and 29,661.10

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Solution

The fourth proportional to 92,855.82, 139,231.45 and 29,661.10 is: 44,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.82 : 139,231.45 = 29,661.10 : x
  2. Step 2: Convert to fraction form
    92,855.82/139,231.45 = 29,661.10/x
  3. Step 3: Cross multiply
    92,855.82x = 139,231.45 × 29,661.10
  4. Step 4: Simplify right side
    92,855.82x = 4,129,757,961.60
  5. Step 5: Solve for x
    x = 4,129,757,961.60/92,855.82
  6. Step 6: Final answer
    x = 44,474.95

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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.