Home / 148,289.76-204,640.05-80,306.84

Finding the Fourth Proportional to 148,289.76, 204,640.05 and 80,306.84

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Solution

The fourth proportional to 148,289.76, 204,640.05 and 80,306.84 is: 110,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,289.76 : 204,640.05 = 80,306.84 : x
  2. Step 2: Convert to fraction form
    148,289.76/204,640.05 = 80,306.84/x
  3. Step 3: Cross multiply
    148,289.76x = 204,640.05 × 80,306.84
  4. Step 4: Simplify right side
    148,289.76x = 16,433,995,241.34
  5. Step 5: Solve for x
    x = 16,433,995,241.34/148,289.76
  6. Step 6: Final answer
    x = 110,823.54

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1.5x scale

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.