Home / 109,554.40-164,349.78-38,458.61

Finding the Fourth Proportional to 109,554.40, 164,349.78 and 38,458.61

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Solution

The fourth proportional to 109,554.40, 164,349.78 and 38,458.61 is: 57,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,554.40 : 164,349.78 = 38,458.61 : x
  2. Step 2: Convert to fraction form
    109,554.40/164,349.78 = 38,458.61/x
  3. Step 3: Cross multiply
    109,554.40x = 164,349.78 × 38,458.61
  4. Step 4: Simplify right side
    109,554.40x = 6,320,664,092.61
  5. Step 5: Solve for x
    x = 6,320,664,092.61/109,554.40
  6. Step 6: Final answer
    x = 57,694.30

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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.