Home / 120,276.40-180,414.60-57,953.20

Finding the Fourth Proportional to 120,276.40, 180,414.60 and 57,953.20

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Solution

The fourth proportional to 120,276.40, 180,414.60 and 57,953.20 is: 86,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,276.40 : 180,414.60 = 57,953.20 : x
  2. Step 2: Convert to fraction form
    120,276.40/180,414.60 = 57,953.20/x
  3. Step 3: Cross multiply
    120,276.40x = 180,414.60 × 57,953.20
  4. Step 4: Simplify right side
    120,276.40x = 10,455,603,396.72
  5. Step 5: Solve for x
    x = 10,455,603,396.72/120,276.40
  6. Step 6: Final answer
    x = 86,929.80

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