Home / 189,550.84-261,577.02-104,665.72

Finding the Fourth Proportional to 189,550.84, 261,577.02 and 104,665.72

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Solution

The fourth proportional to 189,550.84, 261,577.02 and 104,665.72 is: 144,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550.84 : 261,577.02 = 104,665.72 : x
  2. Step 2: Convert to fraction form
    189,550.84/261,577.02 = 104,665.72/x
  3. Step 3: Cross multiply
    189,550.84x = 261,577.02 × 104,665.72
  4. Step 4: Simplify right side
    189,550.84x = 27,378,147,133.75
  5. Step 5: Solve for x
    x = 27,378,147,133.75/189,550.84
  6. Step 6: Final answer
    x = 144,436.96

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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.