Home / 147,819.54-203,991.17-84,157.34

Finding the Fourth Proportional to 147,819.54, 203,991.17 and 84,157.34

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Solution

The fourth proportional to 147,819.54, 203,991.17 and 84,157.34 is: 116,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.54 : 203,991.17 = 84,157.34 : x
  2. Step 2: Convert to fraction form
    147,819.54/203,991.17 = 84,157.34/x
  3. Step 3: Cross multiply
    147,819.54x = 203,991.17 × 84,157.34
  4. Step 4: Simplify right side
    147,819.54x = 17,167,354,250.69
  5. Step 5: Solve for x
    x = 17,167,354,250.69/147,819.54
  6. Step 6: Final answer
    x = 116,137.25

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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.