Home / 109,916.20-164,874.30-56,772.10

Finding the Fourth Proportional to 109,916.20, 164,874.30 and 56,772.10

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Solution

The fourth proportional to 109,916.20, 164,874.30 and 56,772.10 is: 85,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.20 : 164,874.30 = 56,772.10 : x
  2. Step 2: Convert to fraction form
    109,916.20/164,874.30 = 56,772.10/x
  3. Step 3: Cross multiply
    109,916.20x = 164,874.30 × 56,772.10
  4. Step 4: Simplify right side
    109,916.20x = 9,360,260,247.03
  5. Step 5: Solve for x
    x = 9,360,260,247.03/109,916.20
  6. Step 6: Final answer
    x = 85,158.15

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