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Finding the Fourth Proportional to 163,609.20, 245,413.80 and 97,124.40

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Solution

The fourth proportional to 163,609.20, 245,413.80 and 97,124.40 is: 145,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,609.20 : 245,413.80 = 97,124.40 : x
  2. Step 2: Convert to fraction form
    163,609.20/245,413.80 = 97,124.40/x
  3. Step 3: Cross multiply
    163,609.20x = 245,413.80 × 97,124.40
  4. Step 4: Simplify right side
    163,609.20x = 23,835,668,076.72
  5. Step 5: Solve for x
    x = 23,835,668,076.72/163,609.20
  6. Step 6: Final answer
    x = 145,686.60

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