Home / 160,968.99-222,147.29-89,350.21

Finding the Fourth Proportional to 160,968.99, 222,147.29 and 89,350.21

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Solution

The fourth proportional to 160,968.99, 222,147.29 and 89,350.21 is: 123,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.99 : 222,147.29 = 89,350.21 : x
  2. Step 2: Convert to fraction form
    160,968.99/222,147.29 = 89,350.21/x
  3. Step 3: Cross multiply
    160,968.99x = 222,147.29 × 89,350.21
  4. Step 4: Simplify right side
    160,968.99x = 19,848,907,513.49
  5. Step 5: Solve for x
    x = 19,848,907,513.49/160,968.99
  6. Step 6: Final answer
    x = 123,308.89

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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.