Home / 189,372.88-261,334.38-104,489.94

Finding the Fourth Proportional to 189,372.88, 261,334.38 and 104,489.94

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Solution

The fourth proportional to 189,372.88, 261,334.38 and 104,489.94 is: 144,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,372.88 : 261,334.38 = 104,489.94 : x
  2. Step 2: Convert to fraction form
    189,372.88/261,334.38 = 104,489.94/x
  3. Step 3: Cross multiply
    189,372.88x = 261,334.38 × 104,489.94
  4. Step 4: Simplify right side
    189,372.88x = 27,306,813,686.14
  5. Step 5: Solve for x
    x = 27,306,813,686.14/189,372.88
  6. Step 6: Final answer
    x = 144,196.01

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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.