Home / 118,520.20-177,780.30-29,776.60

Finding the Fourth Proportional to 118,520.20, 177,780.30 and 29,776.60

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Solution

The fourth proportional to 118,520.20, 177,780.30 and 29,776.60 is: 44,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,520.20 : 177,780.30 = 29,776.60 : x
  2. Step 2: Convert to fraction form
    118,520.20/177,780.30 = 29,776.60/x
  3. Step 3: Cross multiply
    118,520.20x = 177,780.30 × 29,776.60
  4. Step 4: Simplify right side
    118,520.20x = 5,293,692,880.98
  5. Step 5: Solve for x
    x = 5,293,692,880.98/118,520.20
  6. Step 6: Final answer
    x = 44,664.90

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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.