Home / 138,853.56-208,237.29-50,095.53

Finding the Fourth Proportional to 138,853.56, 208,237.29 and 50,095.53

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Solution

The fourth proportional to 138,853.56, 208,237.29 and 50,095.53 is: 75,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,853.56 : 208,237.29 = 50,095.53 : x
  2. Step 2: Convert to fraction form
    138,853.56/208,237.29 = 50,095.53/x
  3. Step 3: Cross multiply
    138,853.56x = 208,237.29 × 50,095.53
  4. Step 4: Simplify right side
    138,853.56x = 10,431,757,408.31
  5. Step 5: Solve for x
    x = 10,431,757,408.31/138,853.56
  6. Step 6: Final answer
    x = 75,127.76

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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.