Home / 109,235.82-150,664.95-82,379.46

Finding the Fourth Proportional to 109,235.82, 150,664.95 and 82,379.46

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Solution

The fourth proportional to 109,235.82, 150,664.95 and 82,379.46 is: 113,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,235.82 : 150,664.95 = 82,379.46 : x
  2. Step 2: Convert to fraction form
    109,235.82/150,664.95 = 82,379.46/x
  3. Step 3: Cross multiply
    109,235.82x = 150,664.95 × 82,379.46
  4. Step 4: Simplify right side
    109,235.82x = 12,411,697,221.93
  5. Step 5: Solve for x
    x = 12,411,697,221.93/109,235.82
  6. Step 6: Final answer
    x = 113,622.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.