Home / 189,651.08-261,708.82-104,751.72

Finding the Fourth Proportional to 189,651.08, 261,708.82 and 104,751.72

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Solution

The fourth proportional to 189,651.08, 261,708.82 and 104,751.72 is: 144,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,651.08 : 261,708.82 = 104,751.72 : x
  2. Step 2: Convert to fraction form
    189,651.08/261,708.82 = 104,751.72/x
  3. Step 3: Cross multiply
    189,651.08x = 261,708.82 × 104,751.72
  4. Step 4: Simplify right side
    189,651.08x = 27,414,449,034.17
  5. Step 5: Solve for x
    x = 27,414,449,034.17/189,651.08
  6. Step 6: Final answer
    x = 144,552.03

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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.