Home / 156,217.26-215,579.82-84,597.28

Finding the Fourth Proportional to 156,217.26, 215,579.82 and 84,597.28

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Solution

The fourth proportional to 156,217.26, 215,579.82 and 84,597.28 is: 116,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.26 : 215,579.82 = 84,597.28 : x
  2. Step 2: Convert to fraction form
    156,217.26/215,579.82 = 84,597.28/x
  3. Step 3: Cross multiply
    156,217.26x = 215,579.82 × 84,597.28
  4. Step 4: Simplify right side
    156,217.26x = 18,237,466,568.44
  5. Step 5: Solve for x
    x = 18,237,466,568.44/156,217.26
  6. Step 6: Final answer
    x = 116,744.25

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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.