Home / 143,247.24-214,870.92-54,480.24

Finding the Fourth Proportional to 143,247.24, 214,870.92 and 54,480.24

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Solution

The fourth proportional to 143,247.24, 214,870.92 and 54,480.24 is: 81,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.24 : 214,870.92 = 54,480.24 : x
  2. Step 2: Convert to fraction form
    143,247.24/214,870.92 = 54,480.24/x
  3. Step 3: Cross multiply
    143,247.24x = 214,870.92 × 54,480.24
  4. Step 4: Simplify right side
    143,247.24x = 11,706,219,290.62
  5. Step 5: Solve for x
    x = 11,706,219,290.62/143,247.24
  6. Step 6: Final answer
    x = 81,720.38

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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.