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Finding the Fourth Proportional to 122,861.95, 184,301.26 and 41,775.95

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Solution

The fourth proportional to 122,861.95, 184,301.26 and 41,775.95 is: 62,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861.95 : 184,301.26 = 41,775.95 : x
  2. Step 2: Convert to fraction form
    122,861.95/184,301.26 = 41,775.95/x
  3. Step 3: Cross multiply
    122,861.95x = 184,301.26 × 41,775.95
  4. Step 4: Simplify right side
    122,861.95x = 7,699,360,579.01
  5. Step 5: Solve for x
    x = 7,699,360,579.01/122,861.95
  6. Step 6: Final answer
    x = 62,666.76

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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.