Home / 172,760.07-259,215.40-60,520.80

Finding the Fourth Proportional to 172,760.07, 259,215.40 and 60,520.80

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Solution

The fourth proportional to 172,760.07, 259,215.40 and 60,520.80 is: 90,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,760.07 : 259,215.40 = 60,520.80 : x
  2. Step 2: Convert to fraction form
    172,760.07/259,215.40 = 60,520.80/x
  3. Step 3: Cross multiply
    172,760.07x = 259,215.40 × 60,520.80
  4. Step 4: Simplify right side
    172,760.07x = 15,687,923,380.32
  5. Step 5: Solve for x
    x = 15,687,923,380.32/172,760.07
  6. Step 6: Final answer
    x = 90,807.58

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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.