Home / 113,954.12-170,879.21-47,354.57

Finding the Fourth Proportional to 113,954.12, 170,879.21 and 47,354.57

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Solution

The fourth proportional to 113,954.12, 170,879.21 and 47,354.57 is: 71,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,954.12 : 170,879.21 = 47,354.57 : x
  2. Step 2: Convert to fraction form
    113,954.12/170,879.21 = 47,354.57/x
  3. Step 3: Cross multiply
    113,954.12x = 170,879.21 × 47,354.57
  4. Step 4: Simplify right side
    113,954.12x = 8,091,911,274.72
  5. Step 5: Solve for x
    x = 8,091,911,274.72/113,954.12
  6. Step 6: Final answer
    x = 71,010.26

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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.