Home / 120,001.60-179,743.20-106,868.80

Finding the Fourth Proportional to 120,001.60, 179,743.20 and 106,868.80

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Solution

The fourth proportional to 120,001.60, 179,743.20 and 106,868.80 is: 160,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,001.60 : 179,743.20 = 106,868.80 : x
  2. Step 2: Convert to fraction form
    120,001.60/179,743.20 = 106,868.80/x
  3. Step 3: Cross multiply
    120,001.60x = 179,743.20 × 106,868.80
  4. Step 4: Simplify right side
    120,001.60x = 19,208,940,092.16
  5. Step 5: Solve for x
    x = 19,208,940,092.16/120,001.60
  6. Step 6: Final answer
    x = 160,072.37

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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.