Home / 133,071.10-199,629.69-54,228.22

Finding the Fourth Proportional to 133,071.10, 199,629.69 and 54,228.22

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Solution

The fourth proportional to 133,071.10, 199,629.69 and 54,228.22 is: 81,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.10 : 199,629.69 = 54,228.22 : x
  2. Step 2: Convert to fraction form
    133,071.10/199,629.69 = 54,228.22/x
  3. Step 3: Cross multiply
    133,071.10x = 199,629.69 × 54,228.22
  4. Step 4: Simplify right side
    133,071.10x = 10,825,562,747.85
  5. Step 5: Solve for x
    x = 10,825,562,747.85/133,071.10
  6. Step 6: Final answer
    x = 81,351.72

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1.5x scale

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.