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Finding the Fourth Proportional to 91,810.10, 137,747.55 and 88,570.10

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Solution

The fourth proportional to 91,810.10, 137,747.55 and 88,570.10 is: 132,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,810.10 : 137,747.55 = 88,570.10 : x
  2. Step 2: Convert to fraction form
    91,810.10/137,747.55 = 88,570.10/x
  3. Step 3: Cross multiply
    91,810.10x = 137,747.55 × 88,570.10
  4. Step 4: Simplify right side
    91,810.10x = 12,200,314,278.26
  5. Step 5: Solve for x
    x = 12,200,314,278.26/91,810.10
  6. Step 6: Final answer
    x = 132,886.41

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