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Finding the Fourth Proportional to 124,221.40, 186,332.10 and 118,097.80

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Solution

The fourth proportional to 124,221.40, 186,332.10 and 118,097.80 is: 177,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.40 : 186,332.10 = 118,097.80 : x
  2. Step 2: Convert to fraction form
    124,221.40/186,332.10 = 118,097.80/x
  3. Step 3: Cross multiply
    124,221.40x = 186,332.10 × 118,097.80
  4. Step 4: Simplify right side
    124,221.40x = 22,005,411,079.38
  5. Step 5: Solve for x
    x = 22,005,411,079.38/124,221.40
  6. Step 6: Final answer
    x = 177,146.70

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