Home / 213,086.29-294,169.64-155,661.14

Finding the Fourth Proportional to 213,086.29, 294,169.64 and 155,661.14

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Solution

The fourth proportional to 213,086.29, 294,169.64 and 155,661.14 is: 214,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,086.29 : 294,169.64 = 155,661.14 : x
  2. Step 2: Convert to fraction form
    213,086.29/294,169.64 = 155,661.14/x
  3. Step 3: Cross multiply
    213,086.29x = 294,169.64 × 155,661.14
  4. Step 4: Simplify right side
    213,086.29x = 45,790,780,434.09
  5. Step 5: Solve for x
    x = 45,790,780,434.09/213,086.29
  6. Step 6: Final answer
    x = 214,893.14

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1.5x scale

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.