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Finding the Fourth Proportional to 357,031.11, 535,548.51 and 120,375.84

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Solution

The fourth proportional to 357,031.11, 535,548.51 and 120,375.84 is: 180,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,031.11 : 535,548.51 = 120,375.84 : x
  2. Step 2: Convert to fraction form
    357,031.11/535,548.51 = 120,375.84/x
  3. Step 3: Cross multiply
    357,031.11x = 535,548.51 × 120,375.84
  4. Step 4: Simplify right side
    357,031.11x = 64,467,101,752.00
  5. Step 5: Solve for x
    x = 64,467,101,752.00/357,031.11
  6. Step 6: Final answer
    x = 180,564.38

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