Home / 143,516.44-215,301.30-43,685.56

Finding the Fourth Proportional to 143,516.44, 215,301.30 and 43,685.56

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Solution

The fourth proportional to 143,516.44, 215,301.30 and 43,685.56 is: 65,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,516.44 : 215,301.30 = 43,685.56 : x
  2. Step 2: Convert to fraction form
    143,516.44/215,301.30 = 43,685.56/x
  3. Step 3: Cross multiply
    143,516.44x = 215,301.30 × 43,685.56
  4. Step 4: Simplify right side
    143,516.44x = 9,405,557,859.23
  5. Step 5: Solve for x
    x = 9,405,557,859.23/143,516.44
  6. Step 6: Final answer
    x = 65,536.45

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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.