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Finding the Fourth Proportional to 425,234.51, 637,835.82 and 105,387.44

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Solution

The fourth proportional to 425,234.51, 637,835.82 and 105,387.44 is: 158,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,234.51 : 637,835.82 = 105,387.44 : x
  2. Step 2: Convert to fraction form
    425,234.51/637,835.82 = 105,387.44/x
  3. Step 3: Cross multiply
    425,234.51x = 637,835.82 × 105,387.44
  4. Step 4: Simplify right side
    425,234.51x = 67,219,881,218.52
  5. Step 5: Solve for x
    x = 67,219,881,218.52/425,234.51
  6. Step 6: Final answer
    x = 158,077.20

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