Home / 180,331.49-270,321.45-75,180.53

Finding the Fourth Proportional to 180,331.49, 270,321.45 and 75,180.53

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Solution

The fourth proportional to 180,331.49, 270,321.45 and 75,180.53 is: 112,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,331.49 : 270,321.45 = 75,180.53 : x
  2. Step 2: Convert to fraction form
    180,331.49/270,321.45 = 75,180.53/x
  3. Step 3: Cross multiply
    180,331.49x = 270,321.45 × 75,180.53
  4. Step 4: Simplify right side
    180,331.49x = 20,322,908,529.76
  5. Step 5: Solve for x
    x = 20,322,908,529.76/180,331.49
  6. Step 6: Final answer
    x = 112,697.51

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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.