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Finding the Fourth Proportional to 171,379.20, 257,068.80 and 153,008.40

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Solution

The fourth proportional to 171,379.20, 257,068.80 and 153,008.40 is: 229,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,379.20 : 257,068.80 = 153,008.40 : x
  2. Step 2: Convert to fraction form
    171,379.20/257,068.80 = 153,008.40/x
  3. Step 3: Cross multiply
    171,379.20x = 257,068.80 × 153,008.40
  4. Step 4: Simplify right side
    171,379.20x = 39,333,685,777.92
  5. Step 5: Solve for x
    x = 39,333,685,777.92/171,379.20
  6. Step 6: Final answer
    x = 229,512.60

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