Home / 84,204.96-116,151.84-50,190.78

Finding the Fourth Proportional to 84,204.96, 116,151.84 and 50,190.78

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Solution

The fourth proportional to 84,204.96, 116,151.84 and 50,190.78 is: 69,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.96 : 116,151.84 = 50,190.78 : x
  2. Step 2: Convert to fraction form
    84,204.96/116,151.84 = 50,190.78/x
  3. Step 3: Cross multiply
    84,204.96x = 116,151.84 × 50,190.78
  4. Step 4: Simplify right side
    84,204.96x = 5,829,751,448.04
  5. Step 5: Solve for x
    x = 5,829,751,448.04/84,204.96
  6. Step 6: Final answer
    x = 69,232.87

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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.