Home / 152,945.97-211,099.17-84,986.28

Finding the Fourth Proportional to 152,945.97, 211,099.17 and 84,986.28

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Solution

The fourth proportional to 152,945.97, 211,099.17 and 84,986.28 is: 117,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.97 : 211,099.17 = 84,986.28 : x
  2. Step 2: Convert to fraction form
    152,945.97/211,099.17 = 84,986.28/x
  3. Step 3: Cross multiply
    152,945.97x = 211,099.17 × 84,986.28
  4. Step 4: Simplify right side
    152,945.97x = 17,940,533,169.39
  5. Step 5: Solve for x
    x = 17,940,533,169.39/152,945.97
  6. Step 6: Final answer
    x = 117,299.81

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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.