Home / 213,183.15-294,185.03-117,687.80

Finding the Fourth Proportional to 213,183.15, 294,185.03 and 117,687.80

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Solution

The fourth proportional to 213,183.15, 294,185.03 and 117,687.80 is: 162,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,183.15 : 294,185.03 = 117,687.80 : x
  2. Step 2: Convert to fraction form
    213,183.15/294,185.03 = 117,687.80/x
  3. Step 3: Cross multiply
    213,183.15x = 294,185.03 × 117,687.80
  4. Step 4: Simplify right side
    213,183.15x = 34,621,988,973.63
  5. Step 5: Solve for x
    x = 34,621,988,973.63/213,183.15
  6. Step 6: Final answer
    x = 162,404.90

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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.