Home / 208,584.03-287,848.17-122,546.61

Finding the Fourth Proportional to 208,584.03, 287,848.17 and 122,546.61

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Solution

The fourth proportional to 208,584.03, 287,848.17 and 122,546.61 is: 169,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,584.03 : 287,848.17 = 122,546.61 : x
  2. Step 2: Convert to fraction form
    208,584.03/287,848.17 = 122,546.61/x
  3. Step 3: Cross multiply
    208,584.03x = 287,848.17 × 122,546.61
  4. Step 4: Simplify right side
    208,584.03x = 35,274,817,428.20
  5. Step 5: Solve for x
    x = 35,274,817,428.20/208,584.03
  6. Step 6: Final answer
    x = 169,115.62

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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.