Home / 178,868.20-268,302.30-80,564.20

Finding the Fourth Proportional to 178,868.20, 268,302.30 and 80,564.20

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Solution

The fourth proportional to 178,868.20, 268,302.30 and 80,564.20 is: 120,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,868.20 : 268,302.30 = 80,564.20 : x
  2. Step 2: Convert to fraction form
    178,868.20/268,302.30 = 80,564.20/x
  3. Step 3: Cross multiply
    178,868.20x = 268,302.30 × 80,564.20
  4. Step 4: Simplify right side
    178,868.20x = 21,615,560,157.66
  5. Step 5: Solve for x
    x = 21,615,560,157.66/178,868.20
  6. Step 6: Final answer
    x = 120,846.30

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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.