Home / 143,004.75-214,563.62-54,281.80

Finding the Fourth Proportional to 143,004.75, 214,563.62 and 54,281.80

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Solution

The fourth proportional to 143,004.75, 214,563.62 and 54,281.80 is: 81,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,004.75 : 214,563.62 = 54,281.80 : x
  2. Step 2: Convert to fraction form
    143,004.75/214,563.62 = 54,281.80/x
  3. Step 3: Cross multiply
    143,004.75x = 214,563.62 × 54,281.80
  4. Step 4: Simplify right side
    143,004.75x = 11,646,899,708.47
  5. Step 5: Solve for x
    x = 11,646,899,708.47/143,004.75
  6. Step 6: Final answer
    x = 81,444.15

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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.