Home / 105,112.22-145,057.98-57,368.66

Finding the Fourth Proportional to 105,112.22, 145,057.98 and 57,368.66

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Solution

The fourth proportional to 105,112.22, 145,057.98 and 57,368.66 is: 79,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,112.22 : 145,057.98 = 57,368.66 : x
  2. Step 2: Convert to fraction form
    105,112.22/145,057.98 = 57,368.66/x
  3. Step 3: Cross multiply
    105,112.22x = 145,057.98 × 57,368.66
  4. Step 4: Simplify right side
    105,112.22x = 8,321,781,934.91
  5. Step 5: Solve for x
    x = 8,321,781,934.91/105,112.22
  6. Step 6: Final answer
    x = 79,170.45

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