Home / 133,608.96-184,334.60-76,207.03

Finding the Fourth Proportional to 133,608.96, 184,334.60 and 76,207.03

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Solution

The fourth proportional to 133,608.96, 184,334.60 and 76,207.03 is: 105,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,608.96 : 184,334.60 = 76,207.03 : x
  2. Step 2: Convert to fraction form
    133,608.96/184,334.60 = 76,207.03/x
  3. Step 3: Cross multiply
    133,608.96x = 184,334.60 × 76,207.03
  4. Step 4: Simplify right side
    133,608.96x = 14,047,592,121.92
  5. Step 5: Solve for x
    x = 14,047,592,121.92/133,608.96
  6. Step 6: Final answer
    x = 105,139.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.