Home / 138,847.56-208,228.29-50,089.53

Finding the Fourth Proportional to 138,847.56, 208,228.29 and 50,089.53

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Solution

The fourth proportional to 138,847.56, 208,228.29 and 50,089.53 is: 75,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,847.56 : 208,228.29 = 50,089.53 : x
  2. Step 2: Convert to fraction form
    138,847.56/208,228.29 = 50,089.53/x
  3. Step 3: Cross multiply
    138,847.56x = 208,228.29 × 50,089.53
  4. Step 4: Simplify right side
    138,847.56x = 10,430,057,178.80
  5. Step 5: Solve for x
    x = 10,430,057,178.80/138,847.56
  6. Step 6: Final answer
    x = 75,118.76

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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.