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Finding the Fourth Proportional to 125,087.28, 172,617.08 and 71,371.32

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Solution

The fourth proportional to 125,087.28, 172,617.08 and 71,371.32 is: 98,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,087.28 : 172,617.08 = 71,371.32 : x
  2. Step 2: Convert to fraction form
    125,087.28/172,617.08 = 71,371.32/x
  3. Step 3: Cross multiply
    125,087.28x = 172,617.08 × 71,371.32
  4. Step 4: Simplify right side
    125,087.28x = 12,319,908,854.15
  5. Step 5: Solve for x
    x = 12,319,908,854.15/125,087.28
  6. Step 6: Final answer
    x = 98,490.50

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