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Finding the Fourth Proportional to 105,000.35, 144,897.32 and 57,254.63

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Solution

The fourth proportional to 105,000.35, 144,897.32 and 57,254.63 is: 79,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,000.35 : 144,897.32 = 57,254.63 : x
  2. Step 2: Convert to fraction form
    105,000.35/144,897.32 = 57,254.63/x
  3. Step 3: Cross multiply
    105,000.35x = 144,897.32 × 57,254.63
  4. Step 4: Simplify right side
    105,000.35x = 8,296,041,863.24
  5. Step 5: Solve for x
    x = 8,296,041,863.24/105,000.35
  6. Step 6: Final answer
    x = 79,009.66

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