Home / 133,971.42-184,879.82-73,543.09

Finding the Fourth Proportional to 133,971.42, 184,879.82 and 73,543.09

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Solution

The fourth proportional to 133,971.42, 184,879.82 and 73,543.09 is: 101,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,971.42 : 184,879.82 = 73,543.09 : x
  2. Step 2: Convert to fraction form
    133,971.42/184,879.82 = 73,543.09/x
  3. Step 3: Cross multiply
    133,971.42x = 184,879.82 × 73,543.09
  4. Step 4: Simplify right side
    133,971.42x = 13,596,632,317.04
  5. Step 5: Solve for x
    x = 13,596,632,317.04/133,971.42
  6. Step 6: Final answer
    x = 101,489.06

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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.