Home / 122,961.02-184,517.93-111,129.08

Finding the Fourth Proportional to 122,961.02, 184,517.93 and 111,129.08

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Solution

The fourth proportional to 122,961.02, 184,517.93 and 111,129.08 is: 166,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,961.02 : 184,517.93 = 111,129.08 : x
  2. Step 2: Convert to fraction form
    122,961.02/184,517.93 = 111,129.08/x
  3. Step 3: Cross multiply
    122,961.02x = 184,517.93 × 111,129.08
  4. Step 4: Simplify right side
    122,961.02x = 20,505,307,159.64
  5. Step 5: Solve for x
    x = 20,505,307,159.64/122,961.02
  6. Step 6: Final answer
    x = 166,762.67

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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.