Home / 78,186.47-117,286.58-22,027.04

Finding the Fourth Proportional to 78,186.47, 117,286.58 and 22,027.04

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Solution

The fourth proportional to 78,186.47, 117,286.58 and 22,027.04 is: 33,042.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,186.47 : 117,286.58 = 22,027.04 : x
  2. Step 2: Convert to fraction form
    78,186.47/117,286.58 = 22,027.04/x
  3. Step 3: Cross multiply
    78,186.47x = 117,286.58 × 22,027.04
  4. Step 4: Simplify right side
    78,186.47x = 2,583,476,097.58
  5. Step 5: Solve for x
    x = 2,583,476,097.58/78,186.47
  6. Step 6: Final answer
    x = 33,042.50

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1.5x scale

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.