Home / 215,127.66-322,732.44-102,816.66

Finding the Fourth Proportional to 215,127.66, 322,732.44 and 102,816.66

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Solution

The fourth proportional to 215,127.66, 322,732.44 and 102,816.66 is: 154,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,127.66 : 322,732.44 = 102,816.66 : x
  2. Step 2: Convert to fraction form
    215,127.66/322,732.44 = 102,816.66/x
  3. Step 3: Cross multiply
    215,127.66x = 322,732.44 × 102,816.66
  4. Step 4: Simplify right side
    215,127.66x = 33,182,271,554.45
  5. Step 5: Solve for x
    x = 33,182,271,554.45/215,127.66
  6. Step 6: Final answer
    x = 154,244.56

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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.