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Finding the Fourth Proportional to 175,386.80, 262,907.40 and 86,567.60

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Solution

The fourth proportional to 175,386.80, 262,907.40 and 86,567.60 is: 129,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,386.80 : 262,907.40 = 86,567.60 : x
  2. Step 2: Convert to fraction form
    175,386.80/262,907.40 = 86,567.60/x
  3. Step 3: Cross multiply
    175,386.80x = 262,907.40 × 86,567.60
  4. Step 4: Simplify right side
    175,386.80x = 22,759,262,640.24
  5. Step 5: Solve for x
    x = 22,759,262,640.24/175,386.80
  6. Step 6: Final answer
    x = 129,766.11

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