Home / 429,176.58-643,789.47-113,625.28

Finding the Fourth Proportional to 429,176.58, 643,789.47 and 113,625.28

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Solution

The fourth proportional to 429,176.58, 643,789.47 and 113,625.28 is: 170,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,176.58 : 643,789.47 = 113,625.28 : x
  2. Step 2: Convert to fraction form
    429,176.58/643,789.47 = 113,625.28/x
  3. Step 3: Cross multiply
    429,176.58x = 643,789.47 × 113,625.28
  4. Step 4: Simplify right side
    429,176.58x = 73,150,759,381.49
  5. Step 5: Solve for x
    x = 73,150,759,381.49/429,176.58
  6. Step 6: Final answer
    x = 170,444.44

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