Home / 147,823.92-203,997.24-84,161.75

Finding the Fourth Proportional to 147,823.92, 203,997.24 and 84,161.75

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Solution

The fourth proportional to 147,823.92, 203,997.24 and 84,161.75 is: 116,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,823.92 : 203,997.24 = 84,161.75 : x
  2. Step 2: Convert to fraction form
    147,823.92/203,997.24 = 84,161.75/x
  3. Step 3: Cross multiply
    147,823.92x = 203,997.24 × 84,161.75
  4. Step 4: Simplify right side
    147,823.92x = 17,168,763,693.58
  5. Step 5: Solve for x
    x = 17,168,763,693.58/147,823.92
  6. Step 6: Final answer
    x = 116,143.34

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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.