Home / 83,736.27-125,323.73-68,742.57

Finding the Fourth Proportional to 83,736.27, 125,323.73 and 68,742.57

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Solution

The fourth proportional to 83,736.27, 125,323.73 and 68,742.57 is: 102,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.27 : 125,323.73 = 68,742.57 : x
  2. Step 2: Convert to fraction form
    83,736.27/125,323.73 = 68,742.57/x
  3. Step 3: Cross multiply
    83,736.27x = 125,323.73 × 68,742.57
  4. Step 4: Simplify right side
    83,736.27x = 8,615,075,282.19
  5. Step 5: Solve for x
    x = 8,615,075,282.19/83,736.27
  6. Step 6: Final answer
    x = 102,883.44

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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.