Home / 189,330.97-261,276.72-104,448.03

Finding the Fourth Proportional to 189,330.97, 261,276.72 and 104,448.03

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Solution

The fourth proportional to 189,330.97, 261,276.72 and 104,448.03 is: 144,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,330.97 : 261,276.72 = 104,448.03 : x
  2. Step 2: Convert to fraction form
    189,330.97/261,276.72 = 104,448.03/x
  3. Step 3: Cross multiply
    189,330.97x = 261,276.72 × 104,448.03
  4. Step 4: Simplify right side
    189,330.97x = 27,289,839,374.60
  5. Step 5: Solve for x
    x = 27,289,839,374.60/189,330.97
  6. Step 6: Final answer
    x = 144,138.28

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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.