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Finding the Fourth Proportional to 163,609.20, 245,413.80 and 162,572.40

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Solution

The fourth proportional to 163,609.20, 245,413.80 and 162,572.40 is: 243,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,609.20 : 245,413.80 = 162,572.40 : x
  2. Step 2: Convert to fraction form
    163,609.20/245,413.80 = 162,572.40/x
  3. Step 3: Cross multiply
    163,609.20x = 245,413.80 × 162,572.40
  4. Step 4: Simplify right side
    163,609.20x = 39,897,510,459.12
  5. Step 5: Solve for x
    x = 39,897,510,459.12/163,609.20
  6. Step 6: Final answer
    x = 243,858.60

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