Home / 76,198.51-105,152.75-41,742.97

Finding the Fourth Proportional to 76,198.51, 105,152.75 and 41,742.97

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Solution

The fourth proportional to 76,198.51, 105,152.75 and 41,742.97 is: 57,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.51 : 105,152.75 = 41,742.97 : x
  2. Step 2: Convert to fraction form
    76,198.51/105,152.75 = 41,742.97/x
  3. Step 3: Cross multiply
    76,198.51x = 105,152.75 × 41,742.97
  4. Step 4: Simplify right side
    76,198.51x = 4,389,387,562.90
  5. Step 5: Solve for x
    x = 4,389,387,562.90/76,198.51
  6. Step 6: Final answer
    x = 57,604.64

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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.