Home / 180,074.44-248,271.78-123,387.40

Finding the Fourth Proportional to 180,074.44, 248,271.78 and 123,387.40

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Solution

The fourth proportional to 180,074.44, 248,271.78 and 123,387.40 is: 170,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,074.44 : 248,271.78 = 123,387.40 : x
  2. Step 2: Convert to fraction form
    180,074.44/248,271.78 = 123,387.40/x
  3. Step 3: Cross multiply
    180,074.44x = 248,271.78 × 123,387.40
  4. Step 4: Simplify right side
    180,074.44x = 30,633,609,427.57
  5. Step 5: Solve for x
    x = 30,633,609,427.57/180,074.44
  6. Step 6: Final answer
    x = 170,116.37

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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.