Home / 122,758.80-184,138.20-43,875.60

Finding the Fourth Proportional to 122,758.80, 184,138.20 and 43,875.60

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Solution

The fourth proportional to 122,758.80, 184,138.20 and 43,875.60 is: 65,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,758.80 : 184,138.20 = 43,875.60 : x
  2. Step 2: Convert to fraction form
    122,758.80/184,138.20 = 43,875.60/x
  3. Step 3: Cross multiply
    122,758.80x = 184,138.20 × 43,875.60
  4. Step 4: Simplify right side
    122,758.80x = 8,079,174,007.92
  5. Step 5: Solve for x
    x = 8,079,174,007.92/122,758.80
  6. Step 6: Final answer
    x = 65,813.40

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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.