Home / 178,537.11-246,074.41-170,128.78

Finding the Fourth Proportional to 178,537.11, 246,074.41 and 170,128.78

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Solution

The fourth proportional to 178,537.11, 246,074.41 and 170,128.78 is: 234,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,537.11 : 246,074.41 = 170,128.78 : x
  2. Step 2: Convert to fraction form
    178,537.11/246,074.41 = 170,128.78/x
  3. Step 3: Cross multiply
    178,537.11x = 246,074.41 × 170,128.78
  4. Step 4: Simplify right side
    178,537.11x = 41,864,338,495.10
  5. Step 5: Solve for x
    x = 41,864,338,495.10/178,537.11
  6. Step 6: Final answer
    x = 234,485.36

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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.