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Finding the Fourth Proportional to 125,209.32, 187,820.82 and 31,715.88

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Solution

The fourth proportional to 125,209.32, 187,820.82 and 31,715.88 is: 47,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,209.32 : 187,820.82 = 31,715.88 : x
  2. Step 2: Convert to fraction form
    125,209.32/187,820.82 = 31,715.88/x
  3. Step 3: Cross multiply
    125,209.32x = 187,820.82 × 31,715.88
  4. Step 4: Simplify right side
    125,209.32x = 5,956,902,588.62
  5. Step 5: Solve for x
    x = 5,956,902,588.62/125,209.32
  6. Step 6: Final answer
    x = 47,575.55

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