Home / 208,486.60-287,742.44-132,012.83

Finding the Fourth Proportional to 208,486.60, 287,742.44 and 132,012.83

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Solution

The fourth proportional to 208,486.60, 287,742.44 and 132,012.83 is: 182,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,486.60 : 287,742.44 = 132,012.83 : x
  2. Step 2: Convert to fraction form
    208,486.60/287,742.44 = 132,012.83/x
  3. Step 3: Cross multiply
    208,486.60x = 287,742.44 × 132,012.83
  4. Step 4: Simplify right side
    208,486.60x = 37,985,693,815.51
  5. Step 5: Solve for x
    x = 37,985,693,815.51/208,486.60
  6. Step 6: Final answer
    x = 182,197.29

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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.