Home / 189,337.73-261,286.04-104,454.78

Finding the Fourth Proportional to 189,337.73, 261,286.04 and 104,454.78

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Solution

The fourth proportional to 189,337.73, 261,286.04 and 104,454.78 is: 144,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,337.73 : 261,286.04 = 104,454.78 : x
  2. Step 2: Convert to fraction form
    189,337.73/261,286.04 = 104,454.78/x
  3. Step 3: Cross multiply
    189,337.73x = 261,286.04 × 104,454.78
  4. Step 4: Simplify right side
    189,337.73x = 27,292,575,303.00
  5. Step 5: Solve for x
    x = 27,292,575,303.00/189,337.73
  6. Step 6: Final answer
    x = 144,147.58

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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.