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Finding the Fourth Proportional to 137,676.48, 206,533.92 and 44,210.88

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Solution

The fourth proportional to 137,676.48, 206,533.92 and 44,210.88 is: 66,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,676.48 : 206,533.92 = 44,210.88 : x
  2. Step 2: Convert to fraction form
    137,676.48/206,533.92 = 44,210.88/x
  3. Step 3: Cross multiply
    137,676.48x = 206,533.92 × 44,210.88
  4. Step 4: Simplify right side
    137,676.48x = 9,131,046,353.05
  5. Step 5: Solve for x
    x = 9,131,046,353.05/137,676.48
  6. Step 6: Final answer
    x = 66,322.49

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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.