Home / 143,120.28-214,695.12-37,939.24

Finding the Fourth Proportional to 143,120.28, 214,695.12 and 37,939.24

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Solution

The fourth proportional to 143,120.28, 214,695.12 and 37,939.24 is: 56,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,120.28 : 214,695.12 = 37,939.24 : x
  2. Step 2: Convert to fraction form
    143,120.28/214,695.12 = 37,939.24/x
  3. Step 3: Cross multiply
    143,120.28x = 214,695.12 × 37,939.24
  4. Step 4: Simplify right side
    143,120.28x = 8,145,369,684.51
  5. Step 5: Solve for x
    x = 8,145,369,684.51/143,120.28
  6. Step 6: Final answer
    x = 56,912.76

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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.