Home / 109,324.60-163,938.30-50,129.80

Finding the Fourth Proportional to 109,324.60, 163,938.30 and 50,129.80

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Solution

The fourth proportional to 109,324.60, 163,938.30 and 50,129.80 is: 75,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,324.60 : 163,938.30 = 50,129.80 : x
  2. Step 2: Convert to fraction form
    109,324.60/163,938.30 = 50,129.80/x
  3. Step 3: Cross multiply
    109,324.60x = 163,938.30 × 50,129.80
  4. Step 4: Simplify right side
    109,324.60x = 8,218,194,191.34
  5. Step 5: Solve for x
    x = 8,218,194,191.34/109,324.60
  6. Step 6: Final answer
    x = 75,172.41

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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.