Home / 102,168.43-140,990.24-59,149.73

Finding the Fourth Proportional to 102,168.43, 140,990.24 and 59,149.73

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Solution

The fourth proportional to 102,168.43, 140,990.24 and 59,149.73 is: 81,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.43 : 140,990.24 = 59,149.73 : x
  2. Step 2: Convert to fraction form
    102,168.43/140,990.24 = 59,149.73/x
  3. Step 3: Cross multiply
    102,168.43x = 140,990.24 × 59,149.73
  4. Step 4: Simplify right side
    102,168.43x = 8,339,535,128.99
  5. Step 5: Solve for x
    x = 8,339,535,128.99/102,168.43
  6. Step 6: Final answer
    x = 81,625.36

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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.