Home / 133,336.96-184,010.72-72,904

Finding the Fourth Proportional to 133,336.96, 184,010.72 and 72,904

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Solution

The fourth proportional to 133,336.96, 184,010.72 and 72,904 is: 100,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,336.96 : 184,010.72 = 72,904 : x
  2. Step 2: Convert to fraction form
    133,336.96/184,010.72 = 72,904/x
  3. Step 3: Cross multiply
    133,336.96x = 184,010.72 × 72,904
  4. Step 4: Simplify right side
    133,336.96x = 13,415,117,530.88
  5. Step 5: Solve for x
    x = 13,415,117,530.88/133,336.96
  6. Step 6: Final answer
    x = 100,610.64

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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.