Home / 161,479.09-222,830.89-89,857.27

Finding the Fourth Proportional to 161,479.09, 222,830.89 and 89,857.27

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Solution

The fourth proportional to 161,479.09, 222,830.89 and 89,857.27 is: 123,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.09 : 222,830.89 = 89,857.27 : x
  2. Step 2: Convert to fraction form
    161,479.09/222,830.89 = 89,857.27/x
  3. Step 3: Cross multiply
    161,479.09x = 222,830.89 × 89,857.27
  4. Step 4: Simplify right side
    161,479.09x = 20,022,975,447.07
  5. Step 5: Solve for x
    x = 20,022,975,447.07/161,479.09
  6. Step 6: Final answer
    x = 123,997.33

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1.5x scale

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.