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Finding the Fourth Proportional to 133,004.94, 199,281.87 and 80,303.73

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Solution

The fourth proportional to 133,004.94, 199,281.87 and 80,303.73 is: 120,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,004.94 : 199,281.87 = 80,303.73 : x
  2. Step 2: Convert to fraction form
    133,004.94/199,281.87 = 80,303.73/x
  3. Step 3: Cross multiply
    133,004.94x = 199,281.87 × 80,303.73
  4. Step 4: Simplify right side
    133,004.94x = 16,003,077,482.38
  5. Step 5: Solve for x
    x = 16,003,077,482.38/133,004.94
  6. Step 6: Final answer
    x = 120,319.42

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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.