Home / 138,832.28-208,248.42-33,651.25

Finding the Fourth Proportional to 138,832.28, 208,248.42 and 33,651.25

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Solution

The fourth proportional to 138,832.28, 208,248.42 and 33,651.25 is: 50,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,832.28 : 208,248.42 = 33,651.25 : x
  2. Step 2: Convert to fraction form
    138,832.28/208,248.42 = 33,651.25/x
  3. Step 3: Cross multiply
    138,832.28x = 208,248.42 × 33,651.25
  4. Step 4: Simplify right side
    138,832.28x = 7,007,819,643.53
  5. Step 5: Solve for x
    x = 7,007,819,643.53/138,832.28
  6. Step 6: Final answer
    x = 50,476.88

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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.