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Finding the Fourth Proportional to 103,440.59, 155,050.63 and 58,971.59

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Solution

The fourth proportional to 103,440.59, 155,050.63 and 58,971.59 is: 88,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440.59 : 155,050.63 = 58,971.59 : x
  2. Step 2: Convert to fraction form
    103,440.59/155,050.63 = 58,971.59/x
  3. Step 3: Cross multiply
    103,440.59x = 155,050.63 × 58,971.59
  4. Step 4: Simplify right side
    103,440.59x = 9,143,582,421.80
  5. Step 5: Solve for x
    x = 9,143,582,421.80/103,440.59
  6. Step 6: Final answer
    x = 88,394.53

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