Home / 113,146.63-169,719.94-28,906.97

Finding the Fourth Proportional to 113,146.63, 169,719.94 and 28,906.97

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Solution

The fourth proportional to 113,146.63, 169,719.94 and 28,906.97 is: 43,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,146.63 : 169,719.94 = 28,906.97 : x
  2. Step 2: Convert to fraction form
    113,146.63/169,719.94 = 28,906.97/x
  3. Step 3: Cross multiply
    113,146.63x = 169,719.94 × 28,906.97
  4. Step 4: Simplify right side
    113,146.63x = 4,906,089,213.98
  5. Step 5: Solve for x
    x = 4,906,089,213.98/113,146.63
  6. Step 6: Final answer
    x = 43,360.45

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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.