Home / 118,630.20-177,945.30-39,736.20

Finding the Fourth Proportional to 118,630.20, 177,945.30 and 39,736.20

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Solution

The fourth proportional to 118,630.20, 177,945.30 and 39,736.20 is: 59,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,630.20 : 177,945.30 = 39,736.20 : x
  2. Step 2: Convert to fraction form
    118,630.20/177,945.30 = 39,736.20/x
  3. Step 3: Cross multiply
    118,630.20x = 177,945.30 × 39,736.20
  4. Step 4: Simplify right side
    118,630.20x = 7,070,870,029.86
  5. Step 5: Solve for x
    x = 7,070,870,029.86/118,630.20
  6. Step 6: Final answer
    x = 59,604.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.