Home / 84,189.72-116,196.78-50,200.32

Finding the Fourth Proportional to 84,189.72, 116,196.78 and 50,200.32

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Solution

The fourth proportional to 84,189.72, 116,196.78 and 50,200.32 is: 69,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,189.72 : 116,196.78 = 50,200.32 : x
  2. Step 2: Convert to fraction form
    84,189.72/116,196.78 = 50,200.32/x
  3. Step 3: Cross multiply
    84,189.72x = 116,196.78 × 50,200.32
  4. Step 4: Simplify right side
    84,189.72x = 5,833,115,538.97
  5. Step 5: Solve for x
    x = 5,833,115,538.97/84,189.72
  6. Step 6: Final answer
    x = 69,285.37

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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.