Home / 219,785.16-303,310.14-124,289.94

Finding the Fourth Proportional to 219,785.16, 303,310.14 and 124,289.94

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Solution

The fourth proportional to 219,785.16, 303,310.14 and 124,289.94 is: 171,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,785.16 : 303,310.14 = 124,289.94 : x
  2. Step 2: Convert to fraction form
    219,785.16/303,310.14 = 124,289.94/x
  3. Step 3: Cross multiply
    219,785.16x = 303,310.14 × 124,289.94
  4. Step 4: Simplify right side
    219,785.16x = 37,698,399,101.99
  5. Step 5: Solve for x
    x = 37,698,399,101.99/219,785.16
  6. Step 6: Final answer
    x = 171,523.86

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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.