Home / 161,761.05-242,668.31-73,012.59

Finding the Fourth Proportional to 161,761.05, 242,668.31 and 73,012.59

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Solution

The fourth proportional to 161,761.05, 242,668.31 and 73,012.59 is: 109,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,761.05 : 242,668.31 = 73,012.59 : x
  2. Step 2: Convert to fraction form
    161,761.05/242,668.31 = 73,012.59/x
  3. Step 3: Cross multiply
    161,761.05x = 242,668.31 × 73,012.59
  4. Step 4: Simplify right side
    161,761.05x = 17,717,841,458.96
  5. Step 5: Solve for x
    x = 17,717,841,458.96/161,761.05
  6. Step 6: Final answer
    x = 109,530.95

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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.