Home / 122,734.80-184,102.20-39,628.80

Finding the Fourth Proportional to 122,734.80, 184,102.20 and 39,628.80

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Solution

The fourth proportional to 122,734.80, 184,102.20 and 39,628.80 is: 59,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,734.80 : 184,102.20 = 39,628.80 : x
  2. Step 2: Convert to fraction form
    122,734.80/184,102.20 = 39,628.80/x
  3. Step 3: Cross multiply
    122,734.80x = 184,102.20 × 39,628.80
  4. Step 4: Simplify right side
    122,734.80x = 7,295,749,263.36
  5. Step 5: Solve for x
    x = 7,295,749,263.36/122,734.80
  6. Step 6: Final answer
    x = 59,443.20

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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.