Home / 104,790.27-144,589.41-101,190.09

Finding the Fourth Proportional to 104,790.27, 144,589.41 and 101,190.09

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Solution

The fourth proportional to 104,790.27, 144,589.41 and 101,190.09 is: 139,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.27 : 144,589.41 = 101,190.09 : x
  2. Step 2: Convert to fraction form
    104,790.27/144,589.41 = 101,190.09/x
  3. Step 3: Cross multiply
    104,790.27x = 144,589.41 × 101,190.09
  4. Step 4: Simplify right side
    104,790.27x = 14,631,015,410.95
  5. Step 5: Solve for x
    x = 14,631,015,410.95/104,790.27
  6. Step 6: Final answer
    x = 139,621.89

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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.