Home / 248,301.57-342,632.46-139,380.96

Finding the Fourth Proportional to 248,301.57, 342,632.46 and 139,380.96

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Solution

The fourth proportional to 248,301.57, 342,632.46 and 139,380.96 is: 192,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,301.57 : 342,632.46 = 139,380.96 : x
  2. Step 2: Convert to fraction form
    248,301.57/342,632.46 = 139,380.96/x
  3. Step 3: Cross multiply
    248,301.57x = 342,632.46 × 139,380.96
  4. Step 4: Simplify right side
    248,301.57x = 47,756,441,201.96
  5. Step 5: Solve for x
    x = 47,756,441,201.96/248,301.57
  6. Step 6: Final answer
    x = 192,332.42

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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.