Home / 138,854.56-208,238.80-50,096.52

Finding the Fourth Proportional to 138,854.56, 208,238.80 and 50,096.52

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Solution

The fourth proportional to 138,854.56, 208,238.80 and 50,096.52 is: 75,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,854.56 : 208,238.80 = 50,096.52 : x
  2. Step 2: Convert to fraction form
    138,854.56/208,238.80 = 50,096.52/x
  3. Step 3: Cross multiply
    138,854.56x = 208,238.80 × 50,096.52
  4. Step 4: Simplify right side
    138,854.56x = 10,432,039,208.98
  5. Step 5: Solve for x
    x = 10,432,039,208.98/138,854.56
  6. Step 6: Final answer
    x = 75,129.25

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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.