Home / 455,985.11-684,012.05-136,111.72

Finding the Fourth Proportional to 455,985.11, 684,012.05 and 136,111.72

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Solution

The fourth proportional to 455,985.11, 684,012.05 and 136,111.72 is: 204,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,985.11 : 684,012.05 = 136,111.72 : x
  2. Step 2: Convert to fraction form
    455,985.11/684,012.05 = 136,111.72/x
  3. Step 3: Cross multiply
    455,985.11x = 684,012.05 × 136,111.72
  4. Step 4: Simplify right side
    455,985.11x = 93,102,052,525.61
  5. Step 5: Solve for x
    x = 93,102,052,525.61/455,985.11
  6. Step 6: Final answer
    x = 204,177.83

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