Home / 459,868.77-689,906.97-140,049.27

Finding the Fourth Proportional to 459,868.77, 689,906.97 and 140,049.27

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Solution

The fourth proportional to 459,868.77, 689,906.97 and 140,049.27 is: 210,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,868.77 : 689,906.97 = 140,049.27 : x
  2. Step 2: Convert to fraction form
    459,868.77/689,906.97 = 140,049.27/x
  3. Step 3: Cross multiply
    459,868.77x = 689,906.97 × 140,049.27
  4. Step 4: Simplify right side
    459,868.77x = 96,620,967,516.41
  5. Step 5: Solve for x
    x = 96,620,967,516.41/459,868.77
  6. Step 6: Final answer
    x = 210,105.52

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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.