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Finding the Fourth Proportional to 173,253.60, 259,971.48 and 122,977.08

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Solution

The fourth proportional to 173,253.60, 259,971.48 and 122,977.08 is: 184,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,253.60 : 259,971.48 = 122,977.08 : x
  2. Step 2: Convert to fraction form
    173,253.60/259,971.48 = 122,977.08/x
  3. Step 3: Cross multiply
    173,253.60x = 259,971.48 × 122,977.08
  4. Step 4: Simplify right side
    173,253.60x = 31,970,533,493.68
  5. Step 5: Solve for x
    x = 31,970,533,493.68/173,253.60
  6. Step 6: Final answer
    x = 184,530.27

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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.