Home / 158,827.32-219,185.22-87,207.61

Finding the Fourth Proportional to 158,827.32, 219,185.22 and 87,207.61

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Solution

The fourth proportional to 158,827.32, 219,185.22 and 87,207.61 is: 120,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,827.32 : 219,185.22 = 87,207.61 : x
  2. Step 2: Convert to fraction form
    158,827.32/219,185.22 = 87,207.61/x
  3. Step 3: Cross multiply
    158,827.32x = 219,185.22 × 87,207.61
  4. Step 4: Simplify right side
    158,827.32x = 19,114,619,183.52
  5. Step 5: Solve for x
    x = 19,114,619,183.52/158,827.32
  6. Step 6: Final answer
    x = 120,348.43

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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.