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Finding the Fourth Proportional to 359,136.40, 538,661.40 and 148,752.40

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Solution

The fourth proportional to 359,136.40, 538,661.40 and 148,752.40 is: 223,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,136.40 : 538,661.40 = 148,752.40 : x
  2. Step 2: Convert to fraction form
    359,136.40/538,661.40 = 148,752.40/x
  3. Step 3: Cross multiply
    359,136.40x = 538,661.40 × 148,752.40
  4. Step 4: Simplify right side
    359,136.40x = 80,127,176,037.36
  5. Step 5: Solve for x
    x = 80,127,176,037.36/359,136.40
  6. Step 6: Final answer
    x = 223,110.71

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