Home / 189,228.78-261,137.66-104,348.88

Finding the Fourth Proportional to 189,228.78, 261,137.66 and 104,348.88

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Solution

The fourth proportional to 189,228.78, 261,137.66 and 104,348.88 is: 144,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,228.78 : 261,137.66 = 104,348.88 : x
  2. Step 2: Convert to fraction form
    189,228.78/261,137.66 = 104,348.88/x
  3. Step 3: Cross multiply
    189,228.78x = 261,137.66 × 104,348.88
  4. Step 4: Simplify right side
    189,228.78x = 27,249,422,346.82
  5. Step 5: Solve for x
    x = 27,249,422,346.82/189,228.78
  6. Step 6: Final answer
    x = 144,002.53

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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.