Home / 213,814.28-294,968.04-123,146.48

Finding the Fourth Proportional to 213,814.28, 294,968.04 and 123,146.48

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Solution

The fourth proportional to 213,814.28, 294,968.04 and 123,146.48 is: 169,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,814.28 : 294,968.04 = 123,146.48 : x
  2. Step 2: Convert to fraction form
    213,814.28/294,968.04 = 123,146.48/x
  3. Step 3: Cross multiply
    213,814.28x = 294,968.04 × 123,146.48
  4. Step 4: Simplify right side
    213,814.28x = 36,324,275,838.50
  5. Step 5: Solve for x
    x = 36,324,275,838.50/213,814.28
  6. Step 6: Final answer
    x = 169,887.04

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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.