Home / 189,626.37-261,671.09-104,736.75

Finding the Fourth Proportional to 189,626.37, 261,671.09 and 104,736.75

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Solution

The fourth proportional to 189,626.37, 261,671.09 and 104,736.75 is: 144,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,626.37 : 261,671.09 = 104,736.75 : x
  2. Step 2: Convert to fraction form
    189,626.37/261,671.09 = 104,736.75/x
  3. Step 3: Cross multiply
    189,626.37x = 261,671.09 × 104,736.75
  4. Step 4: Simplify right side
    189,626.37x = 27,406,579,011.87
  5. Step 5: Solve for x
    x = 27,406,579,011.87/189,626.37
  6. Step 6: Final answer
    x = 144,529.37

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1.5x scale

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.