Home / 202,376.72-279,280.26-111,732.86

Finding the Fourth Proportional to 202,376.72, 279,280.26 and 111,732.86

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Solution

The fourth proportional to 202,376.72, 279,280.26 and 111,732.86 is: 154,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,376.72 : 279,280.26 = 111,732.86 : x
  2. Step 2: Convert to fraction form
    202,376.72/279,280.26 = 111,732.86/x
  3. Step 3: Cross multiply
    202,376.72x = 279,280.26 × 111,732.86
  4. Step 4: Simplify right side
    202,376.72x = 31,204,780,794.94
  5. Step 5: Solve for x
    x = 31,204,780,794.94/202,376.72
  6. Step 6: Final answer
    x = 154,191.56

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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.