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Finding the Fourth Proportional to 137,075.16, 189,154.92 and 76,650.78

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Solution

The fourth proportional to 137,075.16, 189,154.92 and 76,650.78 is: 105,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,075.16 : 189,154.92 = 76,650.78 : x
  2. Step 2: Convert to fraction form
    137,075.16/189,154.92 = 76,650.78/x
  3. Step 3: Cross multiply
    137,075.16x = 189,154.92 × 76,650.78
  4. Step 4: Simplify right side
    137,075.16x = 14,498,872,158.84
  5. Step 5: Solve for x
    x = 14,498,872,158.84/137,075.16
  6. Step 6: Final answer
    x = 105,773.16

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