Home / 155,650.43-233,475.71-120,163.55

Finding the Fourth Proportional to 155,650.43, 233,475.71 and 120,163.55

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Solution

The fourth proportional to 155,650.43, 233,475.71 and 120,163.55 is: 180,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,650.43 : 233,475.71 = 120,163.55 : x
  2. Step 2: Convert to fraction form
    155,650.43/233,475.71 = 120,163.55/x
  3. Step 3: Cross multiply
    155,650.43x = 233,475.71 × 120,163.55
  4. Step 4: Simplify right side
    155,650.43x = 28,055,270,135.24
  5. Step 5: Solve for x
    x = 28,055,270,135.24/155,650.43
  6. Step 6: Final answer
    x = 180,245.38

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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.