Home / 208,160.30-287,245.24-117,525.22

Finding the Fourth Proportional to 208,160.30, 287,245.24 and 117,525.22

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Solution

The fourth proportional to 208,160.30, 287,245.24 and 117,525.22 is: 162,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,160.30 : 287,245.24 = 117,525.22 : x
  2. Step 2: Convert to fraction form
    208,160.30/287,245.24 = 117,525.22/x
  3. Step 3: Cross multiply
    208,160.30x = 287,245.24 × 117,525.22
  4. Step 4: Simplify right side
    208,160.30x = 33,758,559,013.03
  5. Step 5: Solve for x
    x = 33,758,559,013.03/208,160.30
  6. Step 6: Final answer
    x = 162,175.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.