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Finding the Fourth Proportional to 173,613.90, 260,420.85 and 103,629.90

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Solution

The fourth proportional to 173,613.90, 260,420.85 and 103,629.90 is: 155,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,613.90 : 260,420.85 = 103,629.90 : x
  2. Step 2: Convert to fraction form
    173,613.90/260,420.85 = 103,629.90/x
  3. Step 3: Cross multiply
    173,613.90x = 260,420.85 × 103,629.90
  4. Step 4: Simplify right side
    173,613.90x = 26,987,386,643.42
  5. Step 5: Solve for x
    x = 26,987,386,643.42/173,613.90
  6. Step 6: Final answer
    x = 155,444.85

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