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Finding the Fourth Proportional to 166,605.20, 249,907.80 and 48,280.40

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Solution

The fourth proportional to 166,605.20, 249,907.80 and 48,280.40 is: 72,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,605.20 : 249,907.80 = 48,280.40 : x
  2. Step 2: Convert to fraction form
    166,605.20/249,907.80 = 48,280.40/x
  3. Step 3: Cross multiply
    166,605.20x = 249,907.80 × 48,280.40
  4. Step 4: Simplify right side
    166,605.20x = 12,065,648,547.12
  5. Step 5: Solve for x
    x = 12,065,648,547.12/166,605.20
  6. Step 6: Final answer
    x = 72,420.60

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