Home / 218,080.80-327,120.12-58,156.38

Finding the Fourth Proportional to 218,080.80, 327,120.12 and 58,156.38

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Solution

The fourth proportional to 218,080.80, 327,120.12 and 58,156.38 is: 87,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,080.80 : 327,120.12 = 58,156.38 : x
  2. Step 2: Convert to fraction form
    218,080.80/327,120.12 = 58,156.38/x
  3. Step 3: Cross multiply
    218,080.80x = 327,120.12 × 58,156.38
  4. Step 4: Simplify right side
    218,080.80x = 19,024,122,004.37
  5. Step 5: Solve for x
    x = 19,024,122,004.37/218,080.80
  6. Step 6: Final answer
    x = 87,234.28

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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.