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Finding the Fourth Proportional to 106,881.72, 160,322.43 and 42,868.74

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Solution

The fourth proportional to 106,881.72, 160,322.43 and 42,868.74 is: 64,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,881.72 : 160,322.43 = 42,868.74 : x
  2. Step 2: Convert to fraction form
    106,881.72/160,322.43 = 42,868.74/x
  3. Step 3: Cross multiply
    106,881.72x = 160,322.43 × 42,868.74
  4. Step 4: Simplify right side
    106,881.72x = 6,872,820,567.84
  5. Step 5: Solve for x
    x = 6,872,820,567.84/106,881.72
  6. Step 6: Final answer
    x = 64,303.05

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