Home / 178,578.72-267,860.40-53,916

Finding the Fourth Proportional to 178,578.72, 267,860.40 and 53,916

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Solution

The fourth proportional to 178,578.72, 267,860.40 and 53,916 is: 80,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,578.72 : 267,860.40 = 53,916 : x
  2. Step 2: Convert to fraction form
    178,578.72/267,860.40 = 53,916/x
  3. Step 3: Cross multiply
    178,578.72x = 267,860.40 × 53,916
  4. Step 4: Simplify right side
    178,578.72x = 14,441,961,326.40
  5. Step 5: Solve for x
    x = 14,441,961,326.40/178,578.72
  6. Step 6: Final answer
    x = 80,871.68

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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.