Home / 201,728.20-302,592.30-122,996.20

Finding the Fourth Proportional to 201,728.20, 302,592.30 and 122,996.20

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Solution

The fourth proportional to 201,728.20, 302,592.30 and 122,996.20 is: 184,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,728.20 : 302,592.30 = 122,996.20 : x
  2. Step 2: Convert to fraction form
    201,728.20/302,592.30 = 122,996.20/x
  3. Step 3: Cross multiply
    201,728.20x = 302,592.30 × 122,996.20
  4. Step 4: Simplify right side
    201,728.20x = 37,217,703,049.26
  5. Step 5: Solve for x
    x = 37,217,703,049.26/201,728.20
  6. Step 6: Final answer
    x = 184,494.30

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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.