Home / 138,869.70-208,254.33-50,099.34

Finding the Fourth Proportional to 138,869.70, 208,254.33 and 50,099.34

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Solution

The fourth proportional to 138,869.70, 208,254.33 and 50,099.34 is: 75,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,869.70 : 208,254.33 = 50,099.34 : x
  2. Step 2: Convert to fraction form
    138,869.70/208,254.33 = 50,099.34/x
  3. Step 3: Cross multiply
    138,869.70x = 208,254.33 × 50,099.34
  4. Step 4: Simplify right side
    138,869.70x = 10,433,404,485.14
  5. Step 5: Solve for x
    x = 10,433,404,485.14/138,869.70
  6. Step 6: Final answer
    x = 75,130.89

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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.