Home / 146,857.56-219,944.79-142,816.95

Finding the Fourth Proportional to 146,857.56, 219,944.79 and 142,816.95

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Solution

The fourth proportional to 146,857.56, 219,944.79 and 142,816.95 is: 213,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,857.56 : 219,944.79 = 142,816.95 : x
  2. Step 2: Convert to fraction form
    146,857.56/219,944.79 = 142,816.95/x
  3. Step 3: Cross multiply
    146,857.56x = 219,944.79 × 142,816.95
  4. Step 4: Simplify right side
    146,857.56x = 31,411,844,076.19
  5. Step 5: Solve for x
    x = 31,411,844,076.19/146,857.56
  6. Step 6: Final answer
    x = 213,893.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.