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Finding the Fourth Proportional to 113,368.80, 170,053.20 and 107,666.40

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Solution

The fourth proportional to 113,368.80, 170,053.20 and 107,666.40 is: 161,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368.80 : 170,053.20 = 107,666.40 : x
  2. Step 2: Convert to fraction form
    113,368.80/170,053.20 = 107,666.40/x
  3. Step 3: Cross multiply
    113,368.80x = 170,053.20 × 107,666.40
  4. Step 4: Simplify right side
    113,368.80x = 18,309,015,852.48
  5. Step 5: Solve for x
    x = 18,309,015,852.48/113,368.80
  6. Step 6: Final answer
    x = 161,499.60

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