Home / 161,080.61-222,291.75-89,460.62

Finding the Fourth Proportional to 161,080.61, 222,291.75 and 89,460.62

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Solution

The fourth proportional to 161,080.61, 222,291.75 and 89,460.62 is: 123,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,080.61 : 222,291.75 = 89,460.62 : x
  2. Step 2: Convert to fraction form
    161,080.61/222,291.75 = 89,460.62/x
  3. Step 3: Cross multiply
    161,080.61x = 222,291.75 × 89,460.62
  4. Step 4: Simplify right side
    161,080.61x = 19,886,356,664.43
  5. Step 5: Solve for x
    x = 19,886,356,664.43/161,080.61
  6. Step 6: Final answer
    x = 123,455.93

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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.