Home / 126,427.14-189,640.62-37,678.37

Finding the Fourth Proportional to 126,427.14, 189,640.62 and 37,678.37

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Solution

The fourth proportional to 126,427.14, 189,640.62 and 37,678.37 is: 56,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,427.14 : 189,640.62 = 37,678.37 : x
  2. Step 2: Convert to fraction form
    126,427.14/189,640.62 = 37,678.37/x
  3. Step 3: Cross multiply
    126,427.14x = 189,640.62 × 37,678.37
  4. Step 4: Simplify right side
    126,427.14x = 7,145,348,499.19
  5. Step 5: Solve for x
    x = 7,145,348,499.19/126,427.14
  6. Step 6: Final answer
    x = 56,517.52

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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.