Home / 116,631.20-174,946.80-79,306.40

Finding the Fourth Proportional to 116,631.20, 174,946.80 and 79,306.40

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Solution

The fourth proportional to 116,631.20, 174,946.80 and 79,306.40 is: 118,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,631.20 : 174,946.80 = 79,306.40 : x
  2. Step 2: Convert to fraction form
    116,631.20/174,946.80 = 79,306.40/x
  3. Step 3: Cross multiply
    116,631.20x = 174,946.80 × 79,306.40
  4. Step 4: Simplify right side
    116,631.20x = 13,874,400,899.52
  5. Step 5: Solve for x
    x = 13,874,400,899.52/116,631.20
  6. Step 6: Final answer
    x = 118,959.60

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