Home / 148,649.14-205,122.14-88,209.37

Finding the Fourth Proportional to 148,649.14, 205,122.14 and 88,209.37

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Solution

The fourth proportional to 148,649.14, 205,122.14 and 88,209.37 is: 121,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,649.14 : 205,122.14 = 88,209.37 : x
  2. Step 2: Convert to fraction form
    148,649.14/205,122.14 = 88,209.37/x
  3. Step 3: Cross multiply
    148,649.14x = 205,122.14 × 88,209.37
  4. Step 4: Simplify right side
    148,649.14x = 18,093,694,301.41
  5. Step 5: Solve for x
    x = 18,093,694,301.41/148,649.14
  6. Step 6: Final answer
    x = 121,720.81

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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.