Home / 161,100.73-222,312.82-89,485.32

Finding the Fourth Proportional to 161,100.73, 222,312.82 and 89,485.32

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Solution

The fourth proportional to 161,100.73, 222,312.82 and 89,485.32 is: 123,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.73 : 222,312.82 = 89,485.32 : x
  2. Step 2: Convert to fraction form
    161,100.73/222,312.82 = 89,485.32/x
  3. Step 3: Cross multiply
    161,100.73x = 222,312.82 × 89,485.32
  4. Step 4: Simplify right side
    161,100.73x = 19,893,733,837.80
  5. Step 5: Solve for x
    x = 19,893,733,837.80/161,100.73
  6. Step 6: Final answer
    x = 123,486.30

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