Home / 118,336.44-177,373.17-90,163.61

Finding the Fourth Proportional to 118,336.44, 177,373.17 and 90,163.61

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Solution

The fourth proportional to 118,336.44, 177,373.17 and 90,163.61 is: 135,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336.44 : 177,373.17 = 90,163.61 : x
  2. Step 2: Convert to fraction form
    118,336.44/177,373.17 = 90,163.61/x
  3. Step 3: Cross multiply
    118,336.44x = 177,373.17 × 90,163.61
  4. Step 4: Simplify right side
    118,336.44x = 15,992,604,437.48
  5. Step 5: Solve for x
    x = 15,992,604,437.48/118,336.44
  6. Step 6: Final answer
    x = 135,145.22

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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.