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Finding the Fourth Proportional to 127,077.72, 175,372.98 and 70,489.08

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Solution

The fourth proportional to 127,077.72, 175,372.98 and 70,489.08 is: 97,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.72 : 175,372.98 = 70,489.08 : x
  2. Step 2: Convert to fraction form
    127,077.72/175,372.98 = 70,489.08/x
  3. Step 3: Cross multiply
    127,077.72x = 175,372.98 × 70,489.08
  4. Step 4: Simplify right side
    127,077.72x = 12,361,880,017.06
  5. Step 5: Solve for x
    x = 12,361,880,017.06/127,077.72
  6. Step 6: Final answer
    x = 97,278.11

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