Home / 198,567.34-274,062.80-117,979.37

Finding the Fourth Proportional to 198,567.34, 274,062.80 and 117,979.37

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Solution

The fourth proportional to 198,567.34, 274,062.80 and 117,979.37 is: 162,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,567.34 : 274,062.80 = 117,979.37 : x
  2. Step 2: Convert to fraction form
    198,567.34/274,062.80 = 117,979.37/x
  3. Step 3: Cross multiply
    198,567.34x = 274,062.80 × 117,979.37
  4. Step 4: Simplify right side
    198,567.34x = 32,333,756,484.44
  5. Step 5: Solve for x
    x = 32,333,756,484.44/198,567.34
  6. Step 6: Final answer
    x = 162,835.22

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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.