Home / 113,537.10-170,310.32-42,452.54

Finding the Fourth Proportional to 113,537.10, 170,310.32 and 42,452.54

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Solution

The fourth proportional to 113,537.10, 170,310.32 and 42,452.54 is: 63,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,537.10 : 170,310.32 = 42,452.54 : x
  2. Step 2: Convert to fraction form
    113,537.10/170,310.32 = 42,452.54/x
  3. Step 3: Cross multiply
    113,537.10x = 170,310.32 × 42,452.54
  4. Step 4: Simplify right side
    113,537.10x = 7,230,104,608.40
  5. Step 5: Solve for x
    x = 7,230,104,608.40/113,537.10
  6. Step 6: Final answer
    x = 63,680.55

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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.