Home / 248,303.09-342,634.56-139,382.49

Finding the Fourth Proportional to 248,303.09, 342,634.56 and 139,382.49

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Solution

The fourth proportional to 248,303.09, 342,634.56 and 139,382.49 is: 192,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,303.09 : 342,634.56 = 139,382.49 : x
  2. Step 2: Convert to fraction form
    248,303.09/342,634.56 = 139,382.49/x
  3. Step 3: Cross multiply
    248,303.09x = 342,634.56 × 139,382.49
  4. Step 4: Simplify right side
    248,303.09x = 47,757,257,435.94
  5. Step 5: Solve for x
    x = 47,757,257,435.94/248,303.09
  6. Step 6: Final answer
    x = 192,334.53

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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.