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Finding the Fourth Proportional to 105,050.64, 144,988.68 and 62,611.86

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Solution

The fourth proportional to 105,050.64, 144,988.68 and 62,611.86 is: 86,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,050.64 : 144,988.68 = 62,611.86 : x
  2. Step 2: Convert to fraction form
    105,050.64/144,988.68 = 62,611.86/x
  3. Step 3: Cross multiply
    105,050.64x = 144,988.68 × 62,611.86
  4. Step 4: Simplify right side
    105,050.64x = 9,078,010,933.74
  5. Step 5: Solve for x
    x = 9,078,010,933.74/105,050.64
  6. Step 6: Final answer
    x = 86,415.57

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