Home / 189,451.45-261,445.17-104,568.58

Finding the Fourth Proportional to 189,451.45, 261,445.17 and 104,568.58

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Solution

The fourth proportional to 189,451.45, 261,445.17 and 104,568.58 is: 144,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451.45 : 261,445.17 = 104,568.58 : x
  2. Step 2: Convert to fraction form
    189,451.45/261,445.17 = 104,568.58/x
  3. Step 3: Cross multiply
    189,451.45x = 261,445.17 × 104,568.58
  4. Step 4: Simplify right side
    189,451.45x = 27,338,950,174.76
  5. Step 5: Solve for x
    x = 27,338,950,174.76/189,451.45
  6. Step 6: Final answer
    x = 144,305.84

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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.