Home / 189,548.84-261,574.26-104,663.72

Finding the Fourth Proportional to 189,548.84, 261,574.26 and 104,663.72

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Solution

The fourth proportional to 189,548.84, 261,574.26 and 104,663.72 is: 144,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,548.84 : 261,574.26 = 104,663.72 : x
  2. Step 2: Convert to fraction form
    189,548.84/261,574.26 = 104,663.72/x
  3. Step 3: Cross multiply
    189,548.84x = 261,574.26 × 104,663.72
  4. Step 4: Simplify right side
    189,548.84x = 27,377,335,107.85
  5. Step 5: Solve for x
    x = 27,377,335,107.85/189,548.84
  6. Step 6: Final answer
    x = 144,434.20

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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.