Home / 102,083.13-140,872.10-56,758.77

Finding the Fourth Proportional to 102,083.13, 140,872.10 and 56,758.77

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Solution

The fourth proportional to 102,083.13, 140,872.10 and 56,758.77 is: 78,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,083.13 : 140,872.10 = 56,758.77 : x
  2. Step 2: Convert to fraction form
    102,083.13/140,872.10 = 56,758.77/x
  3. Step 3: Cross multiply
    102,083.13x = 140,872.10 × 56,758.77
  4. Step 4: Simplify right side
    102,083.13x = 7,995,726,839.52
  5. Step 5: Solve for x
    x = 7,995,726,839.52/102,083.13
  6. Step 6: Final answer
    x = 78,325.64

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