Home / 137,383.58-206,015.96-47,435.78

Finding the Fourth Proportional to 137,383.58, 206,015.96 and 47,435.78

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Solution

The fourth proportional to 137,383.58, 206,015.96 and 47,435.78 is: 71,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,383.58 : 206,015.96 = 47,435.78 : x
  2. Step 2: Convert to fraction form
    137,383.58/206,015.96 = 47,435.78/x
  3. Step 3: Cross multiply
    137,383.58x = 206,015.96 × 47,435.78
  4. Step 4: Simplify right side
    137,383.58x = 9,772,527,755.05
  5. Step 5: Solve for x
    x = 9,772,527,755.05/137,383.58
  6. Step 6: Final answer
    x = 71,133.16

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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.