Home / 189,437.30-261,422.93-104,553.75

Finding the Fourth Proportional to 189,437.30, 261,422.93 and 104,553.75

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Solution

The fourth proportional to 189,437.30, 261,422.93 and 104,553.75 is: 144,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,437.30 : 261,422.93 = 104,553.75 : x
  2. Step 2: Convert to fraction form
    189,437.30/261,422.93 = 104,553.75/x
  3. Step 3: Cross multiply
    189,437.30x = 261,422.93 × 104,553.75
  4. Step 4: Simplify right side
    189,437.30x = 27,332,747,667.49
  5. Step 5: Solve for x
    x = 27,332,747,667.49/189,437.30
  6. Step 6: Final answer
    x = 144,283.87

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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.