Home / 236,944.09-355,434.49-79,173.10

Finding the Fourth Proportional to 236,944.09, 355,434.49 and 79,173.10

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Solution

The fourth proportional to 236,944.09, 355,434.49 and 79,173.10 is: 118,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,944.09 : 355,434.49 = 79,173.10 : x
  2. Step 2: Convert to fraction form
    236,944.09/355,434.49 = 79,173.10/x
  3. Step 3: Cross multiply
    236,944.09x = 355,434.49 × 79,173.10
  4. Step 4: Simplify right side
    236,944.09x = 28,140,848,643.05
  5. Step 5: Solve for x
    x = 28,140,848,643.05/236,944.09
  6. Step 6: Final answer
    x = 118,765.78

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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.