Home / 155,414.40-233,236.80-102,806.40

Finding the Fourth Proportional to 155,414.40, 233,236.80 and 102,806.40

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Solution

The fourth proportional to 155,414.40, 233,236.80 and 102,806.40 is: 154,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,414.40 : 233,236.80 = 102,806.40 : x
  2. Step 2: Convert to fraction form
    155,414.40/233,236.80 = 102,806.40/x
  3. Step 3: Cross multiply
    155,414.40x = 233,236.80 × 102,806.40
  4. Step 4: Simplify right side
    155,414.40x = 23,978,235,755.52
  5. Step 5: Solve for x
    x = 23,978,235,755.52/155,414.40
  6. Step 6: Final answer
    x = 154,285.80

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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.