Home / 133,847.23-200,503.16-80,509.75

Finding the Fourth Proportional to 133,847.23, 200,503.16 and 80,509.75

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Solution

The fourth proportional to 133,847.23, 200,503.16 and 80,509.75 is: 120,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,847.23 : 200,503.16 = 80,509.75 : x
  2. Step 2: Convert to fraction form
    133,847.23/200,503.16 = 80,509.75/x
  3. Step 3: Cross multiply
    133,847.23x = 200,503.16 × 80,509.75
  4. Step 4: Simplify right side
    133,847.23x = 16,142,459,285.81
  5. Step 5: Solve for x
    x = 16,142,459,285.81/133,847.23
  6. Step 6: Final answer
    x = 120,603.61

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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.