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Finding the Fourth Proportional to 125,705.61, 188,558.41 and 88,432.47

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Solution

The fourth proportional to 125,705.61, 188,558.41 and 88,432.47 is: 132,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705.61 : 188,558.41 = 88,432.47 : x
  2. Step 2: Convert to fraction form
    125,705.61/188,558.41 = 88,432.47/x
  3. Step 3: Cross multiply
    125,705.61x = 188,558.41 × 88,432.47
  4. Step 4: Simplify right side
    125,705.61x = 16,674,685,935.57
  5. Step 5: Solve for x
    x = 16,674,685,935.57/125,705.61
  6. Step 6: Final answer
    x = 132,648.70

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