Home / 161,327.40-222,622.63-89,705.88

Finding the Fourth Proportional to 161,327.40, 222,622.63 and 89,705.88

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Solution

The fourth proportional to 161,327.40, 222,622.63 and 89,705.88 is: 123,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,327.40 : 222,622.63 = 89,705.88 : x
  2. Step 2: Convert to fraction form
    161,327.40/222,622.63 = 89,705.88/x
  3. Step 3: Cross multiply
    161,327.40x = 222,622.63 × 89,705.88
  4. Step 4: Simplify right side
    161,327.40x = 19,970,558,707.80
  5. Step 5: Solve for x
    x = 19,970,558,707.80/161,327.40
  6. Step 6: Final answer
    x = 123,789.01

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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.