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Finding the Fourth Proportional to 118,030.77, 177,044.76 and 70,659.09

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Solution

The fourth proportional to 118,030.77, 177,044.76 and 70,659.09 is: 105,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,030.77 : 177,044.76 = 70,659.09 : x
  2. Step 2: Convert to fraction form
    118,030.77/177,044.76 = 70,659.09/x
  3. Step 3: Cross multiply
    118,030.77x = 177,044.76 × 70,659.09
  4. Step 4: Simplify right side
    118,030.77x = 12,509,821,630.87
  5. Step 5: Solve for x
    x = 12,509,821,630.87/118,030.77
  6. Step 6: Final answer
    x = 105,987.80

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