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Finding the Fourth Proportional to 124,435.90, 186,394.65 and 103,699.90

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Solution

The fourth proportional to 124,435.90, 186,394.65 and 103,699.90 is: 155,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.90 : 186,394.65 = 103,699.90 : x
  2. Step 2: Convert to fraction form
    124,435.90/186,394.65 = 103,699.90/x
  3. Step 3: Cross multiply
    124,435.90x = 186,394.65 × 103,699.90
  4. Step 4: Simplify right side
    124,435.90x = 19,329,106,565.54
  5. Step 5: Solve for x
    x = 19,329,106,565.54/124,435.90
  6. Step 6: Final answer
    x = 155,333.84

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