Home / 154,548.52-231,822.78-84,389.56

Finding the Fourth Proportional to 154,548.52, 231,822.78 and 84,389.56

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Solution

The fourth proportional to 154,548.52, 231,822.78 and 84,389.56 is: 126,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,548.52 : 231,822.78 = 84,389.56 : x
  2. Step 2: Convert to fraction form
    154,548.52/231,822.78 = 84,389.56/x
  3. Step 3: Cross multiply
    154,548.52x = 231,822.78 × 84,389.56
  4. Step 4: Simplify right side
    154,548.52x = 19,563,422,402.18
  5. Step 5: Solve for x
    x = 19,563,422,402.18/154,548.52
  6. Step 6: Final answer
    x = 126,584.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.