Home / 213,085.03-294,167.90-155,659.88

Finding the Fourth Proportional to 213,085.03, 294,167.90 and 155,659.88

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Solution

The fourth proportional to 213,085.03, 294,167.90 and 155,659.88 is: 214,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,085.03 : 294,167.90 = 155,659.88 : x
  2. Step 2: Convert to fraction form
    213,085.03/294,167.90 = 155,659.88/x
  3. Step 3: Cross multiply
    213,085.03x = 294,167.90 × 155,659.88
  4. Step 4: Simplify right side
    213,085.03x = 45,790,137,764.71
  5. Step 5: Solve for x
    x = 45,790,137,764.71/213,085.03
  6. Step 6: Final answer
    x = 214,891.39

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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.