Home / 220,211.56-303,895.94-124,738.08

Finding the Fourth Proportional to 220,211.56, 303,895.94 and 124,738.08

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Solution

The fourth proportional to 220,211.56, 303,895.94 and 124,738.08 is: 172,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,211.56 : 303,895.94 = 124,738.08 : x
  2. Step 2: Convert to fraction form
    220,211.56/303,895.94 = 124,738.08/x
  3. Step 3: Cross multiply
    220,211.56x = 303,895.94 × 124,738.08
  4. Step 4: Simplify right side
    220,211.56x = 37,907,396,075.40
  5. Step 5: Solve for x
    x = 37,907,396,075.40/220,211.56
  6. Step 6: Final answer
    x = 172,140.81

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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.