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Finding the Fourth Proportional to 166,212.01, 249,145.57 and 77,392.47

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Solution

The fourth proportional to 166,212.01, 249,145.57 and 77,392.47 is: 116,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212.01 : 249,145.57 = 77,392.47 : x
  2. Step 2: Convert to fraction form
    166,212.01/249,145.57 = 77,392.47/x
  3. Step 3: Cross multiply
    166,212.01x = 249,145.57 × 77,392.47
  4. Step 4: Simplify right side
    166,212.01x = 19,281,991,051.86
  5. Step 5: Solve for x
    x = 19,281,991,051.86/166,212.01
  6. Step 6: Final answer
    x = 116,008.41

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