Home / 147,446.78-221,170.32-36,638.78

Finding the Fourth Proportional to 147,446.78, 221,170.32 and 36,638.78

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Solution

The fourth proportional to 147,446.78, 221,170.32 and 36,638.78 is: 54,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,446.78 : 221,170.32 = 36,638.78 : x
  2. Step 2: Convert to fraction form
    147,446.78/221,170.32 = 36,638.78/x
  3. Step 3: Cross multiply
    147,446.78x = 221,170.32 × 36,638.78
  4. Step 4: Simplify right side
    147,446.78x = 8,103,410,697.01
  5. Step 5: Solve for x
    x = 8,103,410,697.01/147,446.78
  6. Step 6: Final answer
    x = 54,958.21

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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.