Home / 124,938.21-172,414.94-73,992.04

Finding the Fourth Proportional to 124,938.21, 172,414.94 and 73,992.04

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Solution

The fourth proportional to 124,938.21, 172,414.94 and 73,992.04 is: 102,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938.21 : 172,414.94 = 73,992.04 : x
  2. Step 2: Convert to fraction form
    124,938.21/172,414.94 = 73,992.04/x
  3. Step 3: Cross multiply
    124,938.21x = 172,414.94 × 73,992.04
  4. Step 4: Simplify right side
    124,938.21x = 12,757,333,137.08
  5. Step 5: Solve for x
    x = 12,757,333,137.08/124,938.21
  6. Step 6: Final answer
    x = 102,109.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.