Home / 113,450.18-170,175.31-51,047.78

Finding the Fourth Proportional to 113,450.18, 170,175.31 and 51,047.78

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Solution

The fourth proportional to 113,450.18, 170,175.31 and 51,047.78 is: 76,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,450.18 : 170,175.31 = 51,047.78 : x
  2. Step 2: Convert to fraction form
    113,450.18/170,175.31 = 51,047.78/x
  3. Step 3: Cross multiply
    113,450.18x = 170,175.31 × 51,047.78
  4. Step 4: Simplify right side
    113,450.18x = 8,687,071,786.31
  5. Step 5: Solve for x
    x = 8,687,071,786.31/113,450.18
  6. Step 6: Final answer
    x = 76,571.69

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1.5x scale

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.