Home / 161,370.52-222,664.14-89,741.08

Finding the Fourth Proportional to 161,370.52, 222,664.14 and 89,741.08

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Solution

The fourth proportional to 161,370.52, 222,664.14 and 89,741.08 is: 123,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,370.52 : 222,664.14 = 89,741.08 : x
  2. Step 2: Convert to fraction form
    161,370.52/222,664.14 = 89,741.08/x
  3. Step 3: Cross multiply
    161,370.52x = 222,664.14 × 89,741.08
  4. Step 4: Simplify right side
    161,370.52x = 19,982,120,400.87
  5. Step 5: Solve for x
    x = 19,982,120,400.87/161,370.52
  6. Step 6: Final answer
    x = 123,827.58

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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.