Home / 133,531.76-184,273.44-76,943

Finding the Fourth Proportional to 133,531.76, 184,273.44 and 76,943

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Solution

The fourth proportional to 133,531.76, 184,273.44 and 76,943 is: 106,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,531.76 : 184,273.44 = 76,943 : x
  2. Step 2: Convert to fraction form
    133,531.76/184,273.44 = 76,943/x
  3. Step 3: Cross multiply
    133,531.76x = 184,273.44 × 76,943
  4. Step 4: Simplify right side
    133,531.76x = 14,178,551,293.92
  5. Step 5: Solve for x
    x = 14,178,551,293.92/133,531.76
  6. Step 6: Final answer
    x = 106,181.12

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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.