Home / 102,961.60-154,383.25-54,871.00

Finding the Fourth Proportional to 102,961.60, 154,383.25 and 54,871.00

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Solution

The fourth proportional to 102,961.60, 154,383.25 and 54,871.00 is: 82,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,961.60 : 154,383.25 = 54,871.00 : x
  2. Step 2: Convert to fraction form
    102,961.60/154,383.25 = 54,871.00/x
  3. Step 3: Cross multiply
    102,961.60x = 154,383.25 × 54,871.00
  4. Step 4: Simplify right side
    102,961.60x = 8,471,162,787.61
  5. Step 5: Solve for x
    x = 8,471,162,787.61/102,961.60
  6. Step 6: Final answer
    x = 82,274.97

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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.