Home / 248,838.06-343,386.26-139,939.26

Finding the Fourth Proportional to 248,838.06, 343,386.26 and 139,939.26

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Solution

The fourth proportional to 248,838.06, 343,386.26 and 139,939.26 is: 193,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,838.06 : 343,386.26 = 139,939.26 : x
  2. Step 2: Convert to fraction form
    248,838.06/343,386.26 = 139,939.26/x
  3. Step 3: Cross multiply
    248,838.06x = 343,386.26 × 139,939.26
  4. Step 4: Simplify right side
    248,838.06x = 48,053,219,118.57
  5. Step 5: Solve for x
    x = 48,053,219,118.57/248,838.06
  6. Step 6: Final answer
    x = 193,110.41

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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.