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Finding the Fourth Proportional to 402,385.39, 603,671.56 and 118,064.45

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Solution

The fourth proportional to 402,385.39, 603,671.56 and 118,064.45 is: 177,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,385.39 : 603,671.56 = 118,064.45 : x
  2. Step 2: Convert to fraction form
    402,385.39/603,671.56 = 118,064.45/x
  3. Step 3: Cross multiply
    402,385.39x = 603,671.56 × 118,064.45
  4. Step 4: Simplify right side
    402,385.39x = 71,272,151,926.06
  5. Step 5: Solve for x
    x = 71,272,151,926.06/402,385.39
  6. Step 6: Final answer
    x = 177,124.11

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