Home / 161,538.09-222,929.91-89,922.66

Finding the Fourth Proportional to 161,538.09, 222,929.91 and 89,922.66

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Solution

The fourth proportional to 161,538.09, 222,929.91 and 89,922.66 is: 124,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,538.09 : 222,929.91 = 89,922.66 : x
  2. Step 2: Convert to fraction form
    161,538.09/222,929.91 = 89,922.66/x
  3. Step 3: Cross multiply
    161,538.09x = 222,929.91 × 89,922.66
  4. Step 4: Simplify right side
    161,538.09x = 20,046,450,500.76
  5. Step 5: Solve for x
    x = 20,046,450,500.76/161,538.09
  6. Step 6: Final answer
    x = 124,097.36

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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.