Home / 161,478.09-222,829.52-89,856.27

Finding the Fourth Proportional to 161,478.09, 222,829.52 and 89,856.27

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Solution

The fourth proportional to 161,478.09, 222,829.52 and 89,856.27 is: 123,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,478.09 : 222,829.52 = 89,856.27 : x
  2. Step 2: Convert to fraction form
    161,478.09/222,829.52 = 89,856.27/x
  3. Step 3: Cross multiply
    161,478.09x = 222,829.52 × 89,856.27
  4. Step 4: Simplify right side
    161,478.09x = 20,022,629,063.81
  5. Step 5: Solve for x
    x = 20,022,629,063.81/161,478.09
  6. Step 6: Final answer
    x = 123,995.95

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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.