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Finding the Fourth Proportional to 145,411.80, 218,117.70 and 134,914.20

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Solution

The fourth proportional to 145,411.80, 218,117.70 and 134,914.20 is: 202,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,411.80 : 218,117.70 = 134,914.20 : x
  2. Step 2: Convert to fraction form
    145,411.80/218,117.70 = 134,914.20/x
  3. Step 3: Cross multiply
    145,411.80x = 218,117.70 × 134,914.20
  4. Step 4: Simplify right side
    145,411.80x = 29,427,175,001.34
  5. Step 5: Solve for x
    x = 29,427,175,001.34/145,411.80
  6. Step 6: Final answer
    x = 202,371.30

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