Home / 109,848.20-164,772.30-39,729.80

Finding the Fourth Proportional to 109,848.20, 164,772.30 and 39,729.80

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Solution

The fourth proportional to 109,848.20, 164,772.30 and 39,729.80 is: 59,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848.20 : 164,772.30 = 39,729.80 : x
  2. Step 2: Convert to fraction form
    109,848.20/164,772.30 = 39,729.80/x
  3. Step 3: Cross multiply
    109,848.20x = 164,772.30 × 39,729.80
  4. Step 4: Simplify right side
    109,848.20x = 6,546,370,524.54
  5. Step 5: Solve for x
    x = 6,546,370,524.54/109,848.20
  6. Step 6: Final answer
    x = 59,594.70

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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.