Home / 161,272.67-222,563.84-89,653.82

Finding the Fourth Proportional to 161,272.67, 222,563.84 and 89,653.82

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Solution

The fourth proportional to 161,272.67, 222,563.84 and 89,653.82 is: 123,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,272.67 : 222,563.84 = 89,653.82 : x
  2. Step 2: Convert to fraction form
    161,272.67/222,563.84 = 89,653.82/x
  3. Step 3: Cross multiply
    161,272.67x = 222,563.84 × 89,653.82
  4. Step 4: Simplify right side
    161,272.67x = 19,953,696,888.78
  5. Step 5: Solve for x
    x = 19,953,696,888.78/161,272.67
  6. Step 6: Final answer
    x = 123,726.47

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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.