Home / 155,719.60-233,190.60-102,842.80

Finding the Fourth Proportional to 155,719.60, 233,190.60 and 102,842.80

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Solution

The fourth proportional to 155,719.60, 233,190.60 and 102,842.80 is: 154,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,719.60 : 233,190.60 = 102,842.80 : x
  2. Step 2: Convert to fraction form
    155,719.60/233,190.60 = 102,842.80/x
  3. Step 3: Cross multiply
    155,719.60x = 233,190.60 × 102,842.80
  4. Step 4: Simplify right side
    155,719.60x = 23,981,974,237.68
  5. Step 5: Solve for x
    x = 23,981,974,237.68/155,719.60
  6. Step 6: Final answer
    x = 154,007.42

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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.