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Finding the Fourth Proportional to 122,992.75, 184,485.88 and 34,242.67

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Solution

The fourth proportional to 122,992.75, 184,485.88 and 34,242.67 is: 51,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,992.75 : 184,485.88 = 34,242.67 : x
  2. Step 2: Convert to fraction form
    122,992.75/184,485.88 = 34,242.67/x
  3. Step 3: Cross multiply
    122,992.75x = 184,485.88 × 34,242.67
  4. Step 4: Simplify right side
    122,992.75x = 6,317,289,108.50
  5. Step 5: Solve for x
    x = 6,317,289,108.50/122,992.75
  6. Step 6: Final answer
    x = 51,363.10

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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.