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Finding the Fourth Proportional to 184,019.88, 276,040.77 and 71,679.24

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Solution

The fourth proportional to 184,019.88, 276,040.77 and 71,679.24 is: 107,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,019.88 : 276,040.77 = 71,679.24 : x
  2. Step 2: Convert to fraction form
    184,019.88/276,040.77 = 71,679.24/x
  3. Step 3: Cross multiply
    184,019.88x = 276,040.77 × 71,679.24
  4. Step 4: Simplify right side
    184,019.88x = 19,786,392,602.61
  5. Step 5: Solve for x
    x = 19,786,392,602.61/184,019.88
  6. Step 6: Final answer
    x = 107,523.13

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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.