Home / 138,896.64-208,383.84-44,120.16

Finding the Fourth Proportional to 138,896.64, 208,383.84 and 44,120.16

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Solution

The fourth proportional to 138,896.64, 208,383.84 and 44,120.16 is: 66,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896.64 : 208,383.84 = 44,120.16 : x
  2. Step 2: Convert to fraction form
    138,896.64/208,383.84 = 44,120.16/x
  3. Step 3: Cross multiply
    138,896.64x = 208,383.84 × 44,120.16
  4. Step 4: Simplify right side
    138,896.64x = 9,193,928,362.21
  5. Step 5: Solve for x
    x = 9,193,928,362.21/138,896.64
  6. Step 6: Final answer
    x = 66,192.59

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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.