Home / 138,849.35-208,274.69-33,668.28

Finding the Fourth Proportional to 138,849.35, 208,274.69 and 33,668.28

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Solution

The fourth proportional to 138,849.35, 208,274.69 and 33,668.28 is: 50,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,849.35 : 208,274.69 = 33,668.28 : x
  2. Step 2: Convert to fraction form
    138,849.35/208,274.69 = 33,668.28/x
  3. Step 3: Cross multiply
    138,849.35x = 208,274.69 × 33,668.28
  4. Step 4: Simplify right side
    138,849.35x = 7,012,250,664.00
  5. Step 5: Solve for x
    x = 7,012,250,664.00/138,849.35
  6. Step 6: Final answer
    x = 50,502.58

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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.