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Finding the Fourth Proportional to 350,136.80, 525,205.20 and 113,503.40

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Solution

The fourth proportional to 350,136.80, 525,205.20 and 113,503.40 is: 170,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,136.80 : 525,205.20 = 113,503.40 : x
  2. Step 2: Convert to fraction form
    350,136.80/525,205.20 = 113,503.40/x
  3. Step 3: Cross multiply
    350,136.80x = 525,205.20 × 113,503.40
  4. Step 4: Simplify right side
    350,136.80x = 59,612,575,897.68
  5. Step 5: Solve for x
    x = 59,612,575,897.68/350,136.80
  6. Step 6: Final answer
    x = 170,255.10

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