Home / 148,272.35-204,615.93-80,289.86

Finding the Fourth Proportional to 148,272.35, 204,615.93 and 80,289.86

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Solution

The fourth proportional to 148,272.35, 204,615.93 and 80,289.86 is: 110,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,272.35 : 204,615.93 = 80,289.86 : x
  2. Step 2: Convert to fraction form
    148,272.35/204,615.93 = 80,289.86/x
  3. Step 3: Cross multiply
    148,272.35x = 204,615.93 × 80,289.86
  4. Step 4: Simplify right side
    148,272.35x = 16,428,583,350.39
  5. Step 5: Solve for x
    x = 16,428,583,350.39/148,272.35
  6. Step 6: Final answer
    x = 110,800.05

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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.