Home / 109,661.70-164,273.85-57,100.80

Finding the Fourth Proportional to 109,661.70, 164,273.85 and 57,100.80

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Solution

The fourth proportional to 109,661.70, 164,273.85 and 57,100.80 is: 85,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,661.70 : 164,273.85 = 57,100.80 : x
  2. Step 2: Convert to fraction form
    109,661.70/164,273.85 = 57,100.80/x
  3. Step 3: Cross multiply
    109,661.70x = 164,273.85 × 57,100.80
  4. Step 4: Simplify right side
    109,661.70x = 9,380,168,254.08
  5. Step 5: Solve for x
    x = 9,380,168,254.08/109,661.70
  6. Step 6: Final answer
    x = 85,537.32

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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.