Home / 172,708.83-259,098.17-72,869.27

Finding the Fourth Proportional to 172,708.83, 259,098.17 and 72,869.27

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Solution

The fourth proportional to 172,708.83, 259,098.17 and 72,869.27 is: 109,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,708.83 : 259,098.17 = 72,869.27 : x
  2. Step 2: Convert to fraction form
    172,708.83/259,098.17 = 72,869.27/x
  3. Step 3: Cross multiply
    172,708.83x = 259,098.17 × 72,869.27
  4. Step 4: Simplify right side
    172,708.83x = 18,880,292,846.40
  5. Step 5: Solve for x
    x = 18,880,292,846.40/172,708.83
  6. Step 6: Final answer
    x = 109,318.63

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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.