Home / 121,898.37-168,224.34-68,183.22

Finding the Fourth Proportional to 121,898.37, 168,224.34 and 68,183.22

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Solution

The fourth proportional to 121,898.37, 168,224.34 and 68,183.22 is: 94,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,898.37 : 168,224.34 = 68,183.22 : x
  2. Step 2: Convert to fraction form
    121,898.37/168,224.34 = 68,183.22/x
  3. Step 3: Cross multiply
    121,898.37x = 168,224.34 × 68,183.22
  4. Step 4: Simplify right side
    121,898.37x = 11,470,077,123.84
  5. Step 5: Solve for x
    x = 11,470,077,123.84/121,898.37
  6. Step 6: Final answer
    x = 94,095.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.