Home / 109,100.40-163,645.20-34,227.78

Finding the Fourth Proportional to 109,100.40, 163,645.20 and 34,227.78

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Solution

The fourth proportional to 109,100.40, 163,645.20 and 34,227.78 is: 51,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,100.40 : 163,645.20 = 34,227.78 : x
  2. Step 2: Convert to fraction form
    109,100.40/163,645.20 = 34,227.78/x
  3. Step 3: Cross multiply
    109,100.40x = 163,645.20 × 34,227.78
  4. Step 4: Simplify right side
    109,100.40x = 5,601,211,903.66
  5. Step 5: Solve for x
    x = 5,601,211,903.66/109,100.40
  6. Step 6: Final answer
    x = 51,339.98

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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.