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Finding the Fourth Proportional to 117,347.40, 176,021.10 and 97,907.40

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Solution

The fourth proportional to 117,347.40, 176,021.10 and 97,907.40 is: 146,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,347.40 : 176,021.10 = 97,907.40 : x
  2. Step 2: Convert to fraction form
    117,347.40/176,021.10 = 97,907.40/x
  3. Step 3: Cross multiply
    117,347.40x = 176,021.10 × 97,907.40
  4. Step 4: Simplify right side
    117,347.40x = 17,233,768,246.14
  5. Step 5: Solve for x
    x = 17,233,768,246.14/117,347.40
  6. Step 6: Final answer
    x = 146,861.10

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