Home / 155,163.27-214,150.26-145,032.72

Finding the Fourth Proportional to 155,163.27, 214,150.26 and 145,032.72

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Solution

The fourth proportional to 155,163.27, 214,150.26 and 145,032.72 is: 200,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,163.27 : 214,150.26 = 145,032.72 : x
  2. Step 2: Convert to fraction form
    155,163.27/214,150.26 = 145,032.72/x
  3. Step 3: Cross multiply
    155,163.27x = 214,150.26 × 145,032.72
  4. Step 4: Simplify right side
    155,163.27x = 31,058,794,696.51
  5. Step 5: Solve for x
    x = 31,058,794,696.51/155,163.27
  6. Step 6: Final answer
    x = 200,168.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.