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Finding the Fourth Proportional to 134,531.40, 201,780.90 and 55,637.40

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Solution

The fourth proportional to 134,531.40, 201,780.90 and 55,637.40 is: 83,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.40 : 201,780.90 = 55,637.40 : x
  2. Step 2: Convert to fraction form
    134,531.40/201,780.90 = 55,637.40/x
  3. Step 3: Cross multiply
    134,531.40x = 201,780.90 × 55,637.40
  4. Step 4: Simplify right side
    134,531.40x = 11,226,564,645.66
  5. Step 5: Solve for x
    x = 11,226,564,645.66/134,531.40
  6. Step 6: Final answer
    x = 83,449.40

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