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Finding the Fourth Proportional to 157,570.40, 236,528.40 and 87,413.60

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Solution

The fourth proportional to 157,570.40, 236,528.40 and 87,413.60 is: 131,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,570.40 : 236,528.40 = 87,413.60 : x
  2. Step 2: Convert to fraction form
    157,570.40/236,528.40 = 87,413.60/x
  3. Step 3: Cross multiply
    157,570.40x = 236,528.40 × 87,413.60
  4. Step 4: Simplify right side
    157,570.40x = 20,675,798,946.24
  5. Step 5: Solve for x
    x = 20,675,798,946.24/157,570.40
  6. Step 6: Final answer
    x = 131,216.26

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