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Finding the Fourth Proportional to 173,650.30, 260,038.05 and 138,658.30

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Solution

The fourth proportional to 173,650.30, 260,038.05 and 138,658.30 is: 207,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,650.30 : 260,038.05 = 138,658.30 : x
  2. Step 2: Convert to fraction form
    173,650.30/260,038.05 = 138,658.30/x
  3. Step 3: Cross multiply
    173,650.30x = 260,038.05 × 138,658.30
  4. Step 4: Simplify right side
    173,650.30x = 36,056,433,948.32
  5. Step 5: Solve for x
    x = 36,056,433,948.32/173,650.30
  6. Step 6: Final answer
    x = 207,638.19

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