Home / 161,229.74-222,495.44-89,608.23

Finding the Fourth Proportional to 161,229.74, 222,495.44 and 89,608.23

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Solution

The fourth proportional to 161,229.74, 222,495.44 and 89,608.23 is: 123,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,229.74 : 222,495.44 = 89,608.23 : x
  2. Step 2: Convert to fraction form
    161,229.74/222,495.44 = 89,608.23/x
  3. Step 3: Cross multiply
    161,229.74x = 222,495.44 × 89,608.23
  4. Step 4: Simplify right side
    161,229.74x = 19,937,422,561.47
  5. Step 5: Solve for x
    x = 19,937,422,561.47/161,229.74
  6. Step 6: Final answer
    x = 123,658.47

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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.