Home / 155,431.52-233,147.27-102,828.70

Finding the Fourth Proportional to 155,431.52, 233,147.27 and 102,828.70

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Solution

The fourth proportional to 155,431.52, 233,147.27 and 102,828.70 is: 154,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,431.52 : 233,147.27 = 102,828.70 : x
  2. Step 2: Convert to fraction form
    155,431.52/233,147.27 = 102,828.70/x
  3. Step 3: Cross multiply
    155,431.52x = 233,147.27 × 102,828.70
  4. Step 4: Simplify right side
    155,431.52x = 23,974,230,356.85
  5. Step 5: Solve for x
    x = 23,974,230,356.85/155,431.52
  6. Step 6: Final answer
    x = 154,243.05

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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.