Home / 189,829.45-261,954.30-104,941

Finding the Fourth Proportional to 189,829.45, 261,954.30 and 104,941

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Solution

The fourth proportional to 189,829.45, 261,954.30 and 104,941 is: 144,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,829.45 : 261,954.30 = 104,941 : x
  2. Step 2: Convert to fraction form
    189,829.45/261,954.30 = 104,941/x
  3. Step 3: Cross multiply
    189,829.45x = 261,954.30 × 104,941
  4. Step 4: Simplify right side
    189,829.45x = 27,489,746,196.30
  5. Step 5: Solve for x
    x = 27,489,746,196.30/189,829.45
  6. Step 6: Final answer
    x = 144,812.86

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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.