Home / 78,252.33-117,221.95-36,074.73

Finding the Fourth Proportional to 78,252.33, 117,221.95 and 36,074.73

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Solution

The fourth proportional to 78,252.33, 117,221.95 and 36,074.73 is: 54,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252.33 : 117,221.95 = 36,074.73 : x
  2. Step 2: Convert to fraction form
    78,252.33/117,221.95 = 36,074.73/x
  3. Step 3: Cross multiply
    78,252.33x = 117,221.95 × 36,074.73
  4. Step 4: Simplify right side
    78,252.33x = 4,228,750,196.32
  5. Step 5: Solve for x
    x = 4,228,750,196.32/78,252.33
  6. Step 6: Final answer
    x = 54,039.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.