Home / 351,176.31-526,636.89-123,425.78

Finding the Fourth Proportional to 351,176.31, 526,636.89 and 123,425.78

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Solution

The fourth proportional to 351,176.31, 526,636.89 and 123,425.78 is: 185,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,176.31 : 526,636.89 = 123,425.78 : x
  2. Step 2: Convert to fraction form
    351,176.31/526,636.89 = 123,425.78/x
  3. Step 3: Cross multiply
    351,176.31x = 526,636.89 × 123,425.78
  4. Step 4: Simplify right side
    351,176.31x = 65,000,566,291.84
  5. Step 5: Solve for x
    x = 65,000,566,291.84/351,176.31
  6. Step 6: Final answer
    x = 185,093.82

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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.