Home / 156,264.66-215,645.49-84,645.27

Finding the Fourth Proportional to 156,264.66, 215,645.49 and 84,645.27

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Solution

The fourth proportional to 156,264.66, 215,645.49 and 84,645.27 is: 116,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,264.66 : 215,645.49 = 84,645.27 : x
  2. Step 2: Convert to fraction form
    156,264.66/215,645.49 = 84,645.27/x
  3. Step 3: Cross multiply
    156,264.66x = 215,645.49 × 84,645.27
  4. Step 4: Simplify right side
    156,264.66x = 18,253,370,725.33
  5. Step 5: Solve for x
    x = 18,253,370,725.33/156,264.66
  6. Step 6: Final answer
    x = 116,810.61

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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.