Home / 138,973.91-208,299.83-63,936.59

Finding the Fourth Proportional to 138,973.91, 208,299.83 and 63,936.59

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Solution

The fourth proportional to 138,973.91, 208,299.83 and 63,936.59 is: 95,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,973.91 : 208,299.83 = 63,936.59 : x
  2. Step 2: Convert to fraction form
    138,973.91/208,299.83 = 63,936.59/x
  3. Step 3: Cross multiply
    138,973.91x = 208,299.83 × 63,936.59
  4. Step 4: Simplify right side
    138,973.91x = 13,317,979,466.60
  5. Step 5: Solve for x
    x = 13,317,979,466.60/138,973.91
  6. Step 6: Final answer
    x = 95,830.79

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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.