Home / 248,119.19-372,178.78-107,877.81

Finding the Fourth Proportional to 248,119.19, 372,178.78 and 107,877.81

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Solution

The fourth proportional to 248,119.19, 372,178.78 and 107,877.81 is: 161,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,119.19 : 372,178.78 = 107,877.81 : x
  2. Step 2: Convert to fraction form
    248,119.19/372,178.78 = 107,877.81/x
  3. Step 3: Cross multiply
    248,119.19x = 372,178.78 × 107,877.81
  4. Step 4: Simplify right side
    248,119.19x = 40,149,831,714.87
  5. Step 5: Solve for x
    x = 40,149,831,714.87/248,119.19
  6. Step 6: Final answer
    x = 161,816.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.