Home / 126,020.21-173,907.80-69,431.58

Finding the Fourth Proportional to 126,020.21, 173,907.80 and 69,431.58

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Solution

The fourth proportional to 126,020.21, 173,907.80 and 69,431.58 is: 95,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.21 : 173,907.80 = 69,431.58 : x
  2. Step 2: Convert to fraction form
    126,020.21/173,907.80 = 69,431.58/x
  3. Step 3: Cross multiply
    126,020.21x = 173,907.80 × 69,431.58
  4. Step 4: Simplify right side
    126,020.21x = 12,074,693,632.09
  5. Step 5: Solve for x
    x = 12,074,693,632.09/126,020.21
  6. Step 6: Final answer
    x = 95,815.54

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1.5x scale

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.