Home / 201,738.10-302,704.35-142,446.10

Finding the Fourth Proportional to 201,738.10, 302,704.35 and 142,446.10

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Solution

The fourth proportional to 201,738.10, 302,704.35 and 142,446.10 is: 213,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,738.10 : 302,704.35 = 142,446.10 : x
  2. Step 2: Convert to fraction form
    201,738.10/302,704.35 = 142,446.10/x
  3. Step 3: Cross multiply
    201,738.10x = 302,704.35 × 142,446.10
  4. Step 4: Simplify right side
    201,738.10x = 43,119,054,110.54
  5. Step 5: Solve for x
    x = 43,119,054,110.54/201,738.10
  6. Step 6: Final answer
    x = 213,737.78

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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.