Home / 180,326.95-270,515.04-75,121.31

Finding the Fourth Proportional to 180,326.95, 270,515.04 and 75,121.31

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Solution

The fourth proportional to 180,326.95, 270,515.04 and 75,121.31 is: 112,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,326.95 : 270,515.04 = 75,121.31 : x
  2. Step 2: Convert to fraction form
    180,326.95/270,515.04 = 75,121.31/x
  3. Step 3: Cross multiply
    180,326.95x = 270,515.04 × 75,121.31
  4. Step 4: Simplify right side
    180,326.95x = 20,321,444,574.09
  5. Step 5: Solve for x
    x = 20,321,444,574.09/180,326.95
  6. Step 6: Final answer
    x = 112,692.22

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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.