Home / 148,733.62-205,246.61-80,749.05

Finding the Fourth Proportional to 148,733.62, 205,246.61 and 80,749.05

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Solution

The fourth proportional to 148,733.62, 205,246.61 and 80,749.05 is: 111,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,733.62 : 205,246.61 = 80,749.05 : x
  2. Step 2: Convert to fraction form
    148,733.62/205,246.61 = 80,749.05/x
  3. Step 3: Cross multiply
    148,733.62x = 205,246.61 × 80,749.05
  4. Step 4: Simplify right side
    148,733.62x = 16,573,469,057.12
  5. Step 5: Solve for x
    x = 16,573,469,057.12/148,733.62
  6. Step 6: Final answer
    x = 111,430.55

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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.