Home / 201,104.24-277,293.85-128,408.36

Finding the Fourth Proportional to 201,104.24, 277,293.85 and 128,408.36

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Solution

The fourth proportional to 201,104.24, 277,293.85 and 128,408.36 is: 177,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,104.24 : 277,293.85 = 128,408.36 : x
  2. Step 2: Convert to fraction form
    201,104.24/277,293.85 = 128,408.36/x
  3. Step 3: Cross multiply
    201,104.24x = 277,293.85 × 128,408.36
  4. Step 4: Simplify right side
    201,104.24x = 35,606,846,809.10
  5. Step 5: Solve for x
    x = 35,606,846,809.10/201,104.24
  6. Step 6: Final answer
    x = 177,056.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.