Home / 155,425.78-233,138.64-102,822.94

Finding the Fourth Proportional to 155,425.78, 233,138.64 and 102,822.94

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Solution

The fourth proportional to 155,425.78, 233,138.64 and 102,822.94 is: 154,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,425.78 : 233,138.64 = 102,822.94 : x
  2. Step 2: Convert to fraction form
    155,425.78/233,138.64 = 102,822.94/x
  3. Step 3: Cross multiply
    155,425.78x = 233,138.64 × 102,822.94
  4. Step 4: Simplify right side
    155,425.78x = 23,972,000,392.40
  5. Step 5: Solve for x
    x = 23,972,000,392.40/155,425.78
  6. Step 6: Final answer
    x = 154,234.39

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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.