Home / 146,579.45-219,901.48-83,429.33

Finding the Fourth Proportional to 146,579.45, 219,901.48 and 83,429.33

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Solution

The fourth proportional to 146,579.45, 219,901.48 and 83,429.33 is: 125,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.45 : 219,901.48 = 83,429.33 : x
  2. Step 2: Convert to fraction form
    146,579.45/219,901.48 = 83,429.33/x
  3. Step 3: Cross multiply
    146,579.45x = 219,901.48 × 83,429.33
  4. Step 4: Simplify right side
    146,579.45x = 18,346,231,834.33
  5. Step 5: Solve for x
    x = 18,346,231,834.33/146,579.45
  6. Step 6: Final answer
    x = 125,162.38

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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.