Home / 126,168.94-189,276.09-43,043.50

Finding the Fourth Proportional to 126,168.94, 189,276.09 and 43,043.50

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Solution

The fourth proportional to 126,168.94, 189,276.09 and 43,043.50 is: 64,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168.94 : 189,276.09 = 43,043.50 : x
  2. Step 2: Convert to fraction form
    126,168.94/189,276.09 = 43,043.50/x
  3. Step 3: Cross multiply
    126,168.94x = 189,276.09 × 43,043.50
  4. Step 4: Simplify right side
    126,168.94x = 8,147,105,379.92
  5. Step 5: Solve for x
    x = 8,147,105,379.92/126,168.94
  6. Step 6: Final answer
    x = 64,572.99

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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.