Home / 148,272.86-204,617.53-80,289.84

Finding the Fourth Proportional to 148,272.86, 204,617.53 and 80,289.84

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Solution

The fourth proportional to 148,272.86, 204,617.53 and 80,289.84 is: 110,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,272.86 : 204,617.53 = 80,289.84 : x
  2. Step 2: Convert to fraction form
    148,272.86/204,617.53 = 80,289.84/x
  3. Step 3: Cross multiply
    148,272.86x = 204,617.53 × 80,289.84
  4. Step 4: Simplify right side
    148,272.86x = 16,428,709,241.41
  5. Step 5: Solve for x
    x = 16,428,709,241.41/148,272.86
  6. Step 6: Final answer
    x = 110,800.51

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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.