Home / 146,858.23-219,945.76-142,817.61

Finding the Fourth Proportional to 146,858.23, 219,945.76 and 142,817.61

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Solution

The fourth proportional to 146,858.23, 219,945.76 and 142,817.61 is: 213,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,858.23 : 219,945.76 = 142,817.61 : x
  2. Step 2: Convert to fraction form
    146,858.23/219,945.76 = 142,817.61/x
  3. Step 3: Cross multiply
    146,858.23x = 219,945.76 × 142,817.61
  4. Step 4: Simplify right side
    146,858.23x = 31,412,127,806.74
  5. Step 5: Solve for x
    x = 31,412,127,806.74/146,858.23
  6. Step 6: Final answer
    x = 213,894.23

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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.