Home / 147,216.83-203,143.05-82,672.97

Finding the Fourth Proportional to 147,216.83, 203,143.05 and 82,672.97

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Solution

The fourth proportional to 147,216.83, 203,143.05 and 82,672.97 is: 114,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216.83 : 203,143.05 = 82,672.97 : x
  2. Step 2: Convert to fraction form
    147,216.83/203,143.05 = 82,672.97/x
  3. Step 3: Cross multiply
    147,216.83x = 203,143.05 × 82,672.97
  4. Step 4: Simplify right side
    147,216.83x = 16,794,438,262.64
  5. Step 5: Solve for x
    x = 16,794,438,262.64/147,216.83
  6. Step 6: Final answer
    x = 114,079.61

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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.