Home / 131,739.40-197,609.10-122,926.60

Finding the Fourth Proportional to 131,739.40, 197,609.10 and 122,926.60

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Solution

The fourth proportional to 131,739.40, 197,609.10 and 122,926.60 is: 184,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.40 : 197,609.10 = 122,926.60 : x
  2. Step 2: Convert to fraction form
    131,739.40/197,609.10 = 122,926.60/x
  3. Step 3: Cross multiply
    131,739.40x = 197,609.10 × 122,926.60
  4. Step 4: Simplify right side
    131,739.40x = 24,291,414,792.06
  5. Step 5: Solve for x
    x = 24,291,414,792.06/131,739.40
  6. Step 6: Final answer
    x = 184,389.90

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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.