Home / 208,522.30-287,761.26-113,028.56

Finding the Fourth Proportional to 208,522.30, 287,761.26 and 113,028.56

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Solution

The fourth proportional to 208,522.30, 287,761.26 and 113,028.56 is: 155,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,522.30 : 287,761.26 = 113,028.56 : x
  2. Step 2: Convert to fraction form
    208,522.30/287,761.26 = 113,028.56/x
  3. Step 3: Cross multiply
    208,522.30x = 287,761.26 × 113,028.56
  4. Step 4: Simplify right side
    208,522.30x = 32,525,240,841.59
  5. Step 5: Solve for x
    x = 32,525,240,841.59/208,522.30
  6. Step 6: Final answer
    x = 155,979.68

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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.