Home / 102,956.58-154,420.26-39,806.46

Finding the Fourth Proportional to 102,956.58, 154,420.26 and 39,806.46

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Solution

The fourth proportional to 102,956.58, 154,420.26 and 39,806.46 is: 59,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,956.58 : 154,420.26 = 39,806.46 : x
  2. Step 2: Convert to fraction form
    102,956.58/154,420.26 = 39,806.46/x
  3. Step 3: Cross multiply
    102,956.58x = 154,420.26 × 39,806.46
  4. Step 4: Simplify right side
    102,956.58x = 6,146,923,902.88
  5. Step 5: Solve for x
    x = 6,146,923,902.88/102,956.58
  6. Step 6: Final answer
    x = 59,704.04

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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.