Home / 180,940.02-270,981-143,379.32

Finding the Fourth Proportional to 180,940.02, 270,981 and 143,379.32

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Solution

The fourth proportional to 180,940.02, 270,981 and 143,379.32 is: 214,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,940.02 : 270,981 = 143,379.32 : x
  2. Step 2: Convert to fraction form
    180,940.02/270,981 = 143,379.32/x
  3. Step 3: Cross multiply
    180,940.02x = 270,981 × 143,379.32
  4. Step 4: Simplify right side
    180,940.02x = 38,853,071,512.92
  5. Step 5: Solve for x
    x = 38,853,071,512.92/180,940.02
  6. Step 6: Final answer
    x = 214,729.01

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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.