Home / 143,615.53-215,521.71-50,121.28

Finding the Fourth Proportional to 143,615.53, 215,521.71 and 50,121.28

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Solution

The fourth proportional to 143,615.53, 215,521.71 and 50,121.28 is: 75,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,615.53 : 215,521.71 = 50,121.28 : x
  2. Step 2: Convert to fraction form
    143,615.53/215,521.71 = 50,121.28/x
  3. Step 3: Cross multiply
    143,615.53x = 215,521.71 × 50,121.28
  4. Step 4: Simplify right side
    143,615.53x = 10,802,224,336.37
  5. Step 5: Solve for x
    x = 10,802,224,336.37/143,615.53
  6. Step 6: Final answer
    x = 75,216.27

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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.