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Finding the Fourth Proportional to 175,404.60, 262,934.10 and 86,671.80

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Solution

The fourth proportional to 175,404.60, 262,934.10 and 86,671.80 is: 129,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,404.60 : 262,934.10 = 86,671.80 : x
  2. Step 2: Convert to fraction form
    175,404.60/262,934.10 = 86,671.80/x
  3. Step 3: Cross multiply
    175,404.60x = 262,934.10 × 86,671.80
  4. Step 4: Simplify right side
    175,404.60x = 22,788,971,728.38
  5. Step 5: Solve for x
    x = 22,788,971,728.38/175,404.60
  6. Step 6: Final answer
    x = 129,922.32

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