Home / 122,829.12-184,243.68-67,775.04

Finding the Fourth Proportional to 122,829.12, 184,243.68 and 67,775.04

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Solution

The fourth proportional to 122,829.12, 184,243.68 and 67,775.04 is: 101,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,829.12 : 184,243.68 = 67,775.04 : x
  2. Step 2: Convert to fraction form
    122,829.12/184,243.68 = 67,775.04/x
  3. Step 3: Cross multiply
    122,829.12x = 184,243.68 × 67,775.04
  4. Step 4: Simplify right side
    122,829.12x = 12,487,122,781.75
  5. Step 5: Solve for x
    x = 12,487,122,781.75/122,829.12
  6. Step 6: Final answer
    x = 101,662.56

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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.