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Finding the Fourth Proportional to 115,804.50, 159,810.21 and 62,812.50

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Solution

The fourth proportional to 115,804.50, 159,810.21 and 62,812.50 is: 86,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.50 : 159,810.21 = 62,812.50 : x
  2. Step 2: Convert to fraction form
    115,804.50/159,810.21 = 62,812.50/x
  3. Step 3: Cross multiply
    115,804.50x = 159,810.21 × 62,812.50
  4. Step 4: Simplify right side
    115,804.50x = 10,038,078,815.63
  5. Step 5: Solve for x
    x = 10,038,078,815.63/115,804.50
  6. Step 6: Final answer
    x = 86,681.25

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