Home / 155,821.98-233,940.33-82,001.82

Finding the Fourth Proportional to 155,821.98, 233,940.33 and 82,001.82

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Solution

The fourth proportional to 155,821.98, 233,940.33 and 82,001.82 is: 123,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,821.98 : 233,940.33 = 82,001.82 : x
  2. Step 2: Convert to fraction form
    155,821.98/233,940.33 = 82,001.82/x
  3. Step 3: Cross multiply
    155,821.98x = 233,940.33 × 82,001.82
  4. Step 4: Simplify right side
    155,821.98x = 19,183,532,831.40
  5. Step 5: Solve for x
    x = 19,183,532,831.40/155,821.98
  6. Step 6: Final answer
    x = 123,111.85

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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.