Home / 102,017.17-140,783.57-56,693.72

Finding the Fourth Proportional to 102,017.17, 140,783.57 and 56,693.72

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Solution

The fourth proportional to 102,017.17, 140,783.57 and 56,693.72 is: 78,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,017.17 : 140,783.57 = 56,693.72 : x
  2. Step 2: Convert to fraction form
    102,017.17/140,783.57 = 56,693.72/x
  3. Step 3: Cross multiply
    102,017.17x = 140,783.57 × 56,693.72
  4. Step 4: Simplify right side
    102,017.17x = 7,981,544,579.27
  5. Step 5: Solve for x
    x = 7,981,544,579.27/102,017.17
  6. Step 6: Final answer
    x = 78,237.27

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