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Finding the Fourth Proportional to 88,390.72, 132,582.40 and 60,240.48

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Solution

The fourth proportional to 88,390.72, 132,582.40 and 60,240.48 is: 90,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,390.72 : 132,582.40 = 60,240.48 : x
  2. Step 2: Convert to fraction form
    88,390.72/132,582.40 = 60,240.48/x
  3. Step 3: Cross multiply
    88,390.72x = 132,582.40 × 60,240.48
  4. Step 4: Simplify right side
    88,390.72x = 7,986,827,415.55
  5. Step 5: Solve for x
    x = 7,986,827,415.55/88,390.72
  6. Step 6: Final answer
    x = 90,358.21

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