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Finding the Fourth Proportional to 108,049.80, 162,074.70 and 94,927.80

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Solution

The fourth proportional to 108,049.80, 162,074.70 and 94,927.80 is: 142,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049.80 : 162,074.70 = 94,927.80 : x
  2. Step 2: Convert to fraction form
    108,049.80/162,074.70 = 94,927.80/x
  3. Step 3: Cross multiply
    108,049.80x = 162,074.70 × 94,927.80
  4. Step 4: Simplify right side
    108,049.80x = 15,385,394,706.66
  5. Step 5: Solve for x
    x = 15,385,394,706.66/108,049.80
  6. Step 6: Final answer
    x = 142,391.70

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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.