Home / 150,654.51-207,896.18-82,669.77

Finding the Fourth Proportional to 150,654.51, 207,896.18 and 82,669.77

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Solution

The fourth proportional to 150,654.51, 207,896.18 and 82,669.77 is: 114,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,654.51 : 207,896.18 = 82,669.77 : x
  2. Step 2: Convert to fraction form
    150,654.51/207,896.18 = 82,669.77/x
  3. Step 3: Cross multiply
    150,654.51x = 207,896.18 × 82,669.77
  4. Step 4: Simplify right side
    150,654.51x = 17,186,729,384.48
  5. Step 5: Solve for x
    x = 17,186,729,384.48/150,654.51
  6. Step 6: Final answer
    x = 114,080.42

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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.