Home / 109,904.20-164,726.70-57,286.60

Finding the Fourth Proportional to 109,904.20, 164,726.70 and 57,286.60

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Solution

The fourth proportional to 109,904.20, 164,726.70 and 57,286.60 is: 85,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,904.20 : 164,726.70 = 57,286.60 : x
  2. Step 2: Convert to fraction form
    109,904.20/164,726.70 = 57,286.60/x
  3. Step 3: Cross multiply
    109,904.20x = 164,726.70 × 57,286.60
  4. Step 4: Simplify right side
    109,904.20x = 9,436,632,572.22
  5. Step 5: Solve for x
    x = 9,436,632,572.22/109,904.20
  6. Step 6: Final answer
    x = 85,862.35

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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.