Home / 161,410.41-222,738.84-89,795.25

Finding the Fourth Proportional to 161,410.41, 222,738.84 and 89,795.25

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Solution

The fourth proportional to 161,410.41, 222,738.84 and 89,795.25 is: 123,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,410.41 : 222,738.84 = 89,795.25 : x
  2. Step 2: Convert to fraction form
    161,410.41/222,738.84 = 89,795.25/x
  3. Step 3: Cross multiply
    161,410.41x = 222,738.84 × 89,795.25
  4. Step 4: Simplify right side
    161,410.41x = 20,000,889,822.51
  5. Step 5: Solve for x
    x = 20,000,889,822.51/161,410.41
  6. Step 6: Final answer
    x = 123,913.26

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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.