Home / 207,658.09-286,562.19-117,012.43

Finding the Fourth Proportional to 207,658.09, 286,562.19 and 117,012.43

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Solution

The fourth proportional to 207,658.09, 286,562.19 and 117,012.43 is: 161,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,658.09 : 286,562.19 = 117,012.43 : x
  2. Step 2: Convert to fraction form
    207,658.09/286,562.19 = 117,012.43/x
  3. Step 3: Cross multiply
    207,658.09x = 286,562.19 × 117,012.43
  4. Step 4: Simplify right side
    207,658.09x = 33,531,338,198.02
  5. Step 5: Solve for x
    x = 33,531,338,198.02/207,658.09
  6. Step 6: Final answer
    x = 161,473.79

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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.