Home / 105,975.26-146,245.74-58,228.49

Finding the Fourth Proportional to 105,975.26, 146,245.74 and 58,228.49

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Solution

The fourth proportional to 105,975.26, 146,245.74 and 58,228.49 is: 80,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,975.26 : 146,245.74 = 58,228.49 : x
  2. Step 2: Convert to fraction form
    105,975.26/146,245.74 = 58,228.49/x
  3. Step 3: Cross multiply
    105,975.26x = 146,245.74 × 58,228.49
  4. Step 4: Simplify right side
    105,975.26x = 8,515,668,609.13
  5. Step 5: Solve for x
    x = 8,515,668,609.13/105,975.26
  6. Step 6: Final answer
    x = 80,355.25

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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.