Home / 208,567.12-287,837.38-117,923.97

Finding the Fourth Proportional to 208,567.12, 287,837.38 and 117,923.97

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Solution

The fourth proportional to 208,567.12, 287,837.38 and 117,923.97 is: 162,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,567.12 : 287,837.38 = 117,923.97 : x
  2. Step 2: Convert to fraction form
    208,567.12/287,837.38 = 117,923.97/x
  3. Step 3: Cross multiply
    208,567.12x = 287,837.38 × 117,923.97
  4. Step 4: Simplify right side
    208,567.12x = 33,942,926,564.00
  5. Step 5: Solve for x
    x = 33,942,926,564.00/208,567.12
  6. Step 6: Final answer
    x = 162,743.42

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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.