Home / 201,499.46-278,137.53-125,063.30

Finding the Fourth Proportional to 201,499.46, 278,137.53 and 125,063.30

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Solution

The fourth proportional to 201,499.46, 278,137.53 and 125,063.30 is: 172,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,499.46 : 278,137.53 = 125,063.30 : x
  2. Step 2: Convert to fraction form
    201,499.46/278,137.53 = 125,063.30/x
  3. Step 3: Cross multiply
    201,499.46x = 278,137.53 × 125,063.30
  4. Step 4: Simplify right side
    201,499.46x = 34,784,795,964.96
  5. Step 5: Solve for x
    x = 34,784,795,964.96/201,499.46
  6. Step 6: Final answer
    x = 172,629.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.