Home / 213,449.43-294,429.69-136,942.50

Finding the Fourth Proportional to 213,449.43, 294,429.69 and 136,942.50

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Solution

The fourth proportional to 213,449.43, 294,429.69 and 136,942.50 is: 188,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,449.43 : 294,429.69 = 136,942.50 : x
  2. Step 2: Convert to fraction form
    213,449.43/294,429.69 = 136,942.50/x
  3. Step 3: Cross multiply
    213,449.43x = 294,429.69 × 136,942.50
  4. Step 4: Simplify right side
    213,449.43x = 40,319,937,822.83
  5. Step 5: Solve for x
    x = 40,319,937,822.83/213,449.43
  6. Step 6: Final answer
    x = 188,896.91

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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.