Home / 109,384.43-164,076.57-84,460.86

Finding the Fourth Proportional to 109,384.43, 164,076.57 and 84,460.86

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Solution

The fourth proportional to 109,384.43, 164,076.57 and 84,460.86 is: 126,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,384.43 : 164,076.57 = 84,460.86 : x
  2. Step 2: Convert to fraction form
    109,384.43/164,076.57 = 84,460.86/x
  3. Step 3: Cross multiply
    109,384.43x = 164,076.57 × 84,460.86
  4. Step 4: Simplify right side
    109,384.43x = 13,858,048,208.05
  5. Step 5: Solve for x
    x = 13,858,048,208.05/109,384.43
  6. Step 6: Final answer
    x = 126,691.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.