Home / 102,857.62-154,185.22-60,108.79

Finding the Fourth Proportional to 102,857.62, 154,185.22 and 60,108.79

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Solution

The fourth proportional to 102,857.62, 154,185.22 and 60,108.79 is: 90,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,857.62 : 154,185.22 = 60,108.79 : x
  2. Step 2: Convert to fraction form
    102,857.62/154,185.22 = 60,108.79/x
  3. Step 3: Cross multiply
    102,857.62x = 154,185.22 × 60,108.79
  4. Step 4: Simplify right side
    102,857.62x = 9,267,887,422.50
  5. Step 5: Solve for x
    x = 9,267,887,422.50/102,857.62
  6. Step 6: Final answer
    x = 90,104.04

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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.