Home / 149,123.58-205,784.35-81,140.82

Finding the Fourth Proportional to 149,123.58, 205,784.35 and 81,140.82

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Solution

The fourth proportional to 149,123.58, 205,784.35 and 81,140.82 is: 111,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,123.58 : 205,784.35 = 81,140.82 : x
  2. Step 2: Convert to fraction form
    149,123.58/205,784.35 = 81,140.82/x
  3. Step 3: Cross multiply
    149,123.58x = 205,784.35 × 81,140.82
  4. Step 4: Simplify right side
    149,123.58x = 16,697,510,699.32
  5. Step 5: Solve for x
    x = 16,697,510,699.32/149,123.58
  6. Step 6: Final answer
    x = 111,970.96

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