Home / 204,148.42-306,284.93-104,378.69

Finding the Fourth Proportional to 204,148.42, 306,284.93 and 104,378.69

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Solution

The fourth proportional to 204,148.42, 306,284.93 and 104,378.69 is: 156,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,148.42 : 306,284.93 = 104,378.69 : x
  2. Step 2: Convert to fraction form
    204,148.42/306,284.93 = 104,378.69/x
  3. Step 3: Cross multiply
    204,148.42x = 306,284.93 × 104,378.69
  4. Step 4: Simplify right side
    204,148.42x = 31,969,619,760.14
  5. Step 5: Solve for x
    x = 31,969,619,760.14/204,148.42
  6. Step 6: Final answer
    x = 156,599.89

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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.