Home / 203,429.35-280,735.06-117,406.20

Finding the Fourth Proportional to 203,429.35, 280,735.06 and 117,406.20

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Solution

The fourth proportional to 203,429.35, 280,735.06 and 117,406.20 is: 162,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,429.35 : 280,735.06 = 117,406.20 : x
  2. Step 2: Convert to fraction form
    203,429.35/280,735.06 = 117,406.20/x
  3. Step 3: Cross multiply
    203,429.35x = 280,735.06 × 117,406.20
  4. Step 4: Simplify right side
    203,429.35x = 32,960,036,601.37
  5. Step 5: Solve for x
    x = 32,960,036,601.37/203,429.35
  6. Step 6: Final answer
    x = 162,022.03

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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.