Home / 180,939.02-270,979.50-143,378.32

Finding the Fourth Proportional to 180,939.02, 270,979.50 and 143,378.32

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Solution

The fourth proportional to 180,939.02, 270,979.50 and 143,378.32 is: 214,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,939.02 : 270,979.50 = 143,378.32 : x
  2. Step 2: Convert to fraction form
    180,939.02/270,979.50 = 143,378.32/x
  3. Step 3: Cross multiply
    180,939.02x = 270,979.50 × 143,378.32
  4. Step 4: Simplify right side
    180,939.02x = 38,852,585,832.75
  5. Step 5: Solve for x
    x = 38,852,585,832.75/180,939.02
  6. Step 6: Final answer
    x = 214,727.51

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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.