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Finding the Fourth Proportional to 194,854.80, 292,221.45 and 76,562.40

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Solution

The fourth proportional to 194,854.80, 292,221.45 and 76,562.40 is: 114,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,854.80 : 292,221.45 = 76,562.40 : x
  2. Step 2: Convert to fraction form
    194,854.80/292,221.45 = 76,562.40/x
  3. Step 3: Cross multiply
    194,854.80x = 292,221.45 × 76,562.40
  4. Step 4: Simplify right side
    194,854.80x = 22,373,175,543.48
  5. Step 5: Solve for x
    x = 22,373,175,543.48/194,854.80
  6. Step 6: Final answer
    x = 114,819.73

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