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Finding the Fourth Proportional to 52,074.75, 78,125.45 and 15,138.75

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Solution

The fourth proportional to 52,074.75, 78,125.45 and 15,138.75 is: 22,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,074.75 : 78,125.45 = 15,138.75 : x
  2. Step 2: Convert to fraction form
    52,074.75/78,125.45 = 15,138.75/x
  3. Step 3: Cross multiply
    52,074.75x = 78,125.45 × 15,138.75
  4. Step 4: Simplify right side
    52,074.75x = 1,182,721,580.49
  5. Step 5: Solve for x
    x = 1,182,721,580.49/52,074.75
  6. Step 6: Final answer
    x = 22,712.00

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