Home / 126,940.70-189,276.16-123,453.11

Finding the Fourth Proportional to 126,940.70, 189,276.16 and 123,453.11

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Solution

The fourth proportional to 126,940.70, 189,276.16 and 123,453.11 is: 184,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,940.70 : 189,276.16 = 123,453.11 : x
  2. Step 2: Convert to fraction form
    126,940.70/189,276.16 = 123,453.11/x
  3. Step 3: Cross multiply
    126,940.70x = 189,276.16 × 123,453.11
  4. Step 4: Simplify right side
    126,940.70x = 23,366,730,600.86
  5. Step 5: Solve for x
    x = 23,366,730,600.86/126,940.70
  6. Step 6: Final answer
    x = 184,075.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.