Home / 138,725.27-208,038.66-49,954.94

Finding the Fourth Proportional to 138,725.27, 208,038.66 and 49,954.94

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Solution

The fourth proportional to 138,725.27, 208,038.66 and 49,954.94 is: 74,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,725.27 : 208,038.66 = 49,954.94 : x
  2. Step 2: Convert to fraction form
    138,725.27/208,038.66 = 49,954.94/x
  3. Step 3: Cross multiply
    138,725.27x = 208,038.66 × 49,954.94
  4. Step 4: Simplify right side
    138,725.27x = 10,392,558,777.98
  5. Step 5: Solve for x
    x = 10,392,558,777.98/138,725.27
  6. Step 6: Final answer
    x = 74,914.68

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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.