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Finding the Fourth Proportional to 184,635.90, 276,843.15 and 84,670.88

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Solution

The fourth proportional to 184,635.90, 276,843.15 and 84,670.88 is: 126,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,635.90 : 276,843.15 = 84,670.88 : x
  2. Step 2: Convert to fraction form
    184,635.90/276,843.15 = 84,670.88/x
  3. Step 3: Cross multiply
    184,635.90x = 276,843.15 × 84,670.88
  4. Step 4: Simplify right side
    184,635.90x = 23,440,551,748.26
  5. Step 5: Solve for x
    x = 23,440,551,748.26/184,635.90
  6. Step 6: Final answer
    x = 126,955.55

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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.