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Finding the Fourth Proportional to 125,000.45, 187,560.36 and 58,430.91

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Solution

The fourth proportional to 125,000.45, 187,560.36 and 58,430.91 is: 87,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,000.45 : 187,560.36 = 58,430.91 : x
  2. Step 2: Convert to fraction form
    125,000.45/187,560.36 = 58,430.91/x
  3. Step 3: Cross multiply
    125,000.45x = 187,560.36 × 58,430.91
  4. Step 4: Simplify right side
    125,000.45x = 10,959,322,514.73
  5. Step 5: Solve for x
    x = 10,959,322,514.73/125,000.45
  6. Step 6: Final answer
    x = 87,674.26

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