Home / 161,044.71-222,254.99-89,429.37

Finding the Fourth Proportional to 161,044.71, 222,254.99 and 89,429.37

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Solution

The fourth proportional to 161,044.71, 222,254.99 and 89,429.37 is: 123,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,044.71 : 222,254.99 = 89,429.37 : x
  2. Step 2: Convert to fraction form
    161,044.71/222,254.99 = 89,429.37/x
  3. Step 3: Cross multiply
    161,044.71x = 222,254.99 × 89,429.37
  4. Step 4: Simplify right side
    161,044.71x = 19,876,122,789.81
  5. Step 5: Solve for x
    x = 19,876,122,789.81/161,044.71
  6. Step 6: Final answer
    x = 123,419.91

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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.