Home / 236,834.49-355,391.79-87,179.88

Finding the Fourth Proportional to 236,834.49, 355,391.79 and 87,179.88

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Solution

The fourth proportional to 236,834.49, 355,391.79 and 87,179.88 is: 130,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,834.49 : 355,391.79 = 87,179.88 : x
  2. Step 2: Convert to fraction form
    236,834.49/355,391.79 = 87,179.88/x
  3. Step 3: Cross multiply
    236,834.49x = 355,391.79 × 87,179.88
  4. Step 4: Simplify right side
    236,834.49x = 30,983,013,605.19
  5. Step 5: Solve for x
    x = 30,983,013,605.19/236,834.49
  6. Step 6: Final answer
    x = 130,821.37

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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.