Home / 149,973.62-206,750.07-102,165.80

Finding the Fourth Proportional to 149,973.62, 206,750.07 and 102,165.80

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Solution

The fourth proportional to 149,973.62, 206,750.07 and 102,165.80 is: 140,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,973.62 : 206,750.07 = 102,165.80 : x
  2. Step 2: Convert to fraction form
    149,973.62/206,750.07 = 102,165.80/x
  3. Step 3: Cross multiply
    149,973.62x = 206,750.07 × 102,165.80
  4. Step 4: Simplify right side
    149,973.62x = 21,122,785,267.86
  5. Step 5: Solve for x
    x = 21,122,785,267.86/149,973.62
  6. Step 6: Final answer
    x = 140,843.34

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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.