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Finding the Fourth Proportional to 133,036.40, 199,554.60 and 122,976.20

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Solution

The fourth proportional to 133,036.40, 199,554.60 and 122,976.20 is: 184,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.40 : 199,554.60 = 122,976.20 : x
  2. Step 2: Convert to fraction form
    133,036.40/199,554.60 = 122,976.20/x
  3. Step 3: Cross multiply
    133,036.40x = 199,554.60 × 122,976.20
  4. Step 4: Simplify right side
    133,036.40x = 24,540,466,400.52
  5. Step 5: Solve for x
    x = 24,540,466,400.52/133,036.40
  6. Step 6: Final answer
    x = 184,464.30

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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.