Home / 84,192.72-116,198.52-54,012.12

Finding the Fourth Proportional to 84,192.72, 116,198.52 and 54,012.12

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Solution

The fourth proportional to 84,192.72, 116,198.52 and 54,012.12 is: 74,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.72 : 116,198.52 = 54,012.12 : x
  2. Step 2: Convert to fraction form
    84,192.72/116,198.52 = 54,012.12/x
  3. Step 3: Cross multiply
    84,192.72x = 116,198.52 × 54,012.12
  4. Step 4: Simplify right side
    84,192.72x = 6,276,128,406.06
  5. Step 5: Solve for x
    x = 6,276,128,406.06/84,192.72
  6. Step 6: Final answer
    x = 74,544.79

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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.