Home / 194,822.21-292,107.34-128,059.94

Finding the Fourth Proportional to 194,822.21, 292,107.34 and 128,059.94

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Solution

The fourth proportional to 194,822.21, 292,107.34 and 128,059.94 is: 192,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,822.21 : 292,107.34 = 128,059.94 : x
  2. Step 2: Convert to fraction form
    194,822.21/292,107.34 = 128,059.94/x
  3. Step 3: Cross multiply
    194,822.21x = 292,107.34 × 128,059.94
  4. Step 4: Simplify right side
    194,822.21x = 37,407,247,321.03
  5. Step 5: Solve for x
    x = 37,407,247,321.03/194,822.21
  6. Step 6: Final answer
    x = 192,007.10

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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.