Home / 155,745.89-233,454.81-80,786.46

Finding the Fourth Proportional to 155,745.89, 233,454.81 and 80,786.46

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Solution

The fourth proportional to 155,745.89, 233,454.81 and 80,786.46 is: 121,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,745.89 : 233,454.81 = 80,786.46 : x
  2. Step 2: Convert to fraction form
    155,745.89/233,454.81 = 80,786.46/x
  3. Step 3: Cross multiply
    155,745.89x = 233,454.81 × 80,786.46
  4. Step 4: Simplify right side
    155,745.89x = 18,859,988,393.85
  5. Step 5: Solve for x
    x = 18,859,988,393.85/155,745.89
  6. Step 6: Final answer
    x = 121,094.61

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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.