Home / 179,635.81-247,608.31-131,160.88

Finding the Fourth Proportional to 179,635.81, 247,608.31 and 131,160.88

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Solution

The fourth proportional to 179,635.81, 247,608.31 and 131,160.88 is: 180,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,635.81 : 247,608.31 = 131,160.88 : x
  2. Step 2: Convert to fraction form
    179,635.81/247,608.31 = 131,160.88/x
  3. Step 3: Cross multiply
    179,635.81x = 247,608.31 × 131,160.88
  4. Step 4: Simplify right side
    179,635.81x = 32,476,523,857.31
  5. Step 5: Solve for x
    x = 32,476,523,857.31/179,635.81
  6. Step 6: Final answer
    x = 180,790.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.