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Finding the Fourth Proportional to 125,875.40, 173,693.81 and 74,189.12

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Solution

The fourth proportional to 125,875.40, 173,693.81 and 74,189.12 is: 102,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,875.40 : 173,693.81 = 74,189.12 : x
  2. Step 2: Convert to fraction form
    125,875.40/173,693.81 = 74,189.12/x
  3. Step 3: Cross multiply
    125,875.40x = 173,693.81 × 74,189.12
  4. Step 4: Simplify right side
    125,875.40x = 12,886,190,913.35
  5. Step 5: Solve for x
    x = 12,886,190,913.35/125,875.40
  6. Step 6: Final answer
    x = 102,372.59

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