Home / 161,103.14-222,322.40-89,489.84

Finding the Fourth Proportional to 161,103.14, 222,322.40 and 89,489.84

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Solution

The fourth proportional to 161,103.14, 222,322.40 and 89,489.84 is: 123,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,103.14 : 222,322.40 = 89,489.84 : x
  2. Step 2: Convert to fraction form
    161,103.14/222,322.40 = 89,489.84/x
  3. Step 3: Cross multiply
    161,103.14x = 222,322.40 × 89,489.84
  4. Step 4: Simplify right side
    161,103.14x = 19,895,596,004.42
  5. Step 5: Solve for x
    x = 19,895,596,004.42/161,103.14
  6. Step 6: Final answer
    x = 123,496.02

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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.