Home / 253,946.39-350,443.67-139,231.41

Finding the Fourth Proportional to 253,946.39, 350,443.67 and 139,231.41

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Solution

The fourth proportional to 253,946.39, 350,443.67 and 139,231.41 is: 192,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,946.39 : 350,443.67 = 139,231.41 : x
  2. Step 2: Convert to fraction form
    253,946.39/350,443.67 = 139,231.41/x
  3. Step 3: Cross multiply
    253,946.39x = 350,443.67 × 139,231.41
  4. Step 4: Simplify right side
    253,946.39x = 48,792,764,289.35
  5. Step 5: Solve for x
    x = 48,792,764,289.35/253,946.39
  6. Step 6: Final answer
    x = 192,138.05

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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.