Home / 120,253.12-180,165.68-102,543.28

Finding the Fourth Proportional to 120,253.12, 180,165.68 and 102,543.28

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Solution

The fourth proportional to 120,253.12, 180,165.68 and 102,543.28 is: 153,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,253.12 : 180,165.68 = 102,543.28 : x
  2. Step 2: Convert to fraction form
    120,253.12/180,165.68 = 102,543.28/x
  3. Step 3: Cross multiply
    120,253.12x = 180,165.68 × 102,543.28
  4. Step 4: Simplify right side
    120,253.12x = 18,474,779,770.63
  5. Step 5: Solve for x
    x = 18,474,779,770.63/120,253.12
  6. Step 6: Final answer
    x = 153,632.44

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