Home / 138,852.81-208,236.17-50,094.78

Finding the Fourth Proportional to 138,852.81, 208,236.17 and 50,094.78

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Solution

The fourth proportional to 138,852.81, 208,236.17 and 50,094.78 is: 75,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,852.81 : 208,236.17 = 50,094.78 : x
  2. Step 2: Convert to fraction form
    138,852.81/208,236.17 = 50,094.78/x
  3. Step 3: Cross multiply
    138,852.81x = 208,236.17 × 50,094.78
  4. Step 4: Simplify right side
    138,852.81x = 10,431,544,873.72
  5. Step 5: Solve for x
    x = 10,431,544,873.72/138,852.81
  6. Step 6: Final answer
    x = 75,126.64

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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.