Home / 161,358.74-222,441.63-106,819.52

Finding the Fourth Proportional to 161,358.74, 222,441.63 and 106,819.52

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Solution

The fourth proportional to 161,358.74, 222,441.63 and 106,819.52 is: 147,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,358.74 : 222,441.63 = 106,819.52 : x
  2. Step 2: Convert to fraction form
    161,358.74/222,441.63 = 106,819.52/x
  3. Step 3: Cross multiply
    161,358.74x = 222,441.63 × 106,819.52
  4. Step 4: Simplify right side
    161,358.74x = 23,761,108,144.62
  5. Step 5: Solve for x
    x = 23,761,108,144.62/161,358.74
  6. Step 6: Final answer
    x = 147,256.41

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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.