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Finding the Fourth Proportional to 145,124.54, 217,749.45 and 75,053.06

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Solution

The fourth proportional to 145,124.54, 217,749.45 and 75,053.06 is: 112,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,124.54 : 217,749.45 = 75,053.06 : x
  2. Step 2: Convert to fraction form
    145,124.54/217,749.45 = 75,053.06/x
  3. Step 3: Cross multiply
    145,124.54x = 217,749.45 × 75,053.06
  4. Step 4: Simplify right side
    145,124.54x = 16,342,762,535.82
  5. Step 5: Solve for x
    x = 16,342,762,535.82/145,124.54
  6. Step 6: Final answer
    x = 112,611.99

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