Home / 148,388.64-204,786.38-83,835.49

Finding the Fourth Proportional to 148,388.64, 204,786.38 and 83,835.49

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Solution

The fourth proportional to 148,388.64, 204,786.38 and 83,835.49 is: 115,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.64 : 204,786.38 = 83,835.49 : x
  2. Step 2: Convert to fraction form
    148,388.64/204,786.38 = 83,835.49/x
  3. Step 3: Cross multiply
    148,388.64x = 204,786.38 × 83,835.49
  4. Step 4: Simplify right side
    148,388.64x = 17,168,366,512.63
  5. Step 5: Solve for x
    x = 17,168,366,512.63/148,388.64
  6. Step 6: Final answer
    x = 115,698.66

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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.