Home / 148,783.26-205,320.24-80,799.70

Finding the Fourth Proportional to 148,783.26, 205,320.24 and 80,799.70

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Solution

The fourth proportional to 148,783.26, 205,320.24 and 80,799.70 is: 111,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,783.26 : 205,320.24 = 80,799.70 : x
  2. Step 2: Convert to fraction form
    148,783.26/205,320.24 = 80,799.70/x
  3. Step 3: Cross multiply
    148,783.26x = 205,320.24 × 80,799.70
  4. Step 4: Simplify right side
    148,783.26x = 16,589,813,795.93
  5. Step 5: Solve for x
    x = 16,589,813,795.93/148,783.26
  6. Step 6: Final answer
    x = 111,503.23

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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.