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Finding the Fourth Proportional to 158,709.60, 219,006.40 and 90,723.04

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Solution

The fourth proportional to 158,709.60, 219,006.40 and 90,723.04 is: 125,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,709.60 : 219,006.40 = 90,723.04 : x
  2. Step 2: Convert to fraction form
    158,709.60/219,006.40 = 90,723.04/x
  3. Step 3: Cross multiply
    158,709.60x = 219,006.40 × 90,723.04
  4. Step 4: Simplify right side
    158,709.60x = 19,868,926,387.46
  5. Step 5: Solve for x
    x = 19,868,926,387.46/158,709.60
  6. Step 6: Final answer
    x = 125,190.45

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