Home / 189,020.35-260,845.77-104,135.59

Finding the Fourth Proportional to 189,020.35, 260,845.77 and 104,135.59

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Solution

The fourth proportional to 189,020.35, 260,845.77 and 104,135.59 is: 143,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,020.35 : 260,845.77 = 104,135.59 : x
  2. Step 2: Convert to fraction form
    189,020.35/260,845.77 = 104,135.59/x
  3. Step 3: Cross multiply
    189,020.35x = 260,845.77 × 104,135.59
  4. Step 4: Simplify right side
    189,020.35x = 27,163,328,157.95
  5. Step 5: Solve for x
    x = 27,163,328,157.95/189,020.35
  6. Step 6: Final answer
    x = 143,705.84

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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.