Home / 248,820.58-343,362.20-139,921.82

Finding the Fourth Proportional to 248,820.58, 343,362.20 and 139,921.82

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Solution

The fourth proportional to 248,820.58, 343,362.20 and 139,921.82 is: 193,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,820.58 : 343,362.20 = 139,921.82 : x
  2. Step 2: Convert to fraction form
    248,820.58/343,362.20 = 139,921.82/x
  3. Step 3: Cross multiply
    248,820.58x = 343,362.20 × 139,921.82
  4. Step 4: Simplify right side
    248,820.58x = 48,043,863,943.20
  5. Step 5: Solve for x
    x = 48,043,863,943.20/248,820.58
  6. Step 6: Final answer
    x = 193,086.38

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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.