Home / 143,451.36-215,176.68-43,611.12

Finding the Fourth Proportional to 143,451.36, 215,176.68 and 43,611.12

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Solution

The fourth proportional to 143,451.36, 215,176.68 and 43,611.12 is: 65,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.36 : 215,176.68 = 43,611.12 : x
  2. Step 2: Convert to fraction form
    143,451.36/215,176.68 = 43,611.12/x
  3. Step 3: Cross multiply
    143,451.36x = 215,176.68 × 43,611.12
  4. Step 4: Simplify right side
    143,451.36x = 9,384,096,012.68
  5. Step 5: Solve for x
    x = 9,384,096,012.68/143,451.36
  6. Step 6: Final answer
    x = 65,416.57

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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.