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Finding the Fourth Proportional to 124,690.88, 187,082.40 and 45,856.64

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Solution

The fourth proportional to 124,690.88, 187,082.40 and 45,856.64 is: 68,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.88 : 187,082.40 = 45,856.64 : x
  2. Step 2: Convert to fraction form
    124,690.88/187,082.40 = 45,856.64/x
  3. Step 3: Cross multiply
    124,690.88x = 187,082.40 × 45,856.64
  4. Step 4: Simplify right side
    124,690.88x = 8,578,970,267.14
  5. Step 5: Solve for x
    x = 8,578,970,267.14/124,690.88
  6. Step 6: Final answer
    x = 68,801.91

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