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Finding the Fourth Proportional to 98,880.80, 148,369.80 and 46,281.20

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Solution

The fourth proportional to 98,880.80, 148,369.80 and 46,281.20 is: 69,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.80 : 148,369.80 = 46,281.20 : x
  2. Step 2: Convert to fraction form
    98,880.80/148,369.80 = 46,281.20/x
  3. Step 3: Cross multiply
    98,880.80x = 148,369.80 × 46,281.20
  4. Step 4: Simplify right side
    98,880.80x = 6,866,732,387.76
  5. Step 5: Solve for x
    x = 6,866,732,387.76/98,880.80
  6. Step 6: Final answer
    x = 69,444.55

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