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Finding the Fourth Proportional to 127,686.48, 176,205.69 and 70,324.71

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Solution

The fourth proportional to 127,686.48, 176,205.69 and 70,324.71 is: 97,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,686.48 : 176,205.69 = 70,324.71 : x
  2. Step 2: Convert to fraction form
    127,686.48/176,205.69 = 70,324.71/x
  3. Step 3: Cross multiply
    127,686.48x = 176,205.69 × 70,324.71
  4. Step 4: Simplify right side
    127,686.48x = 12,391,614,049.60
  5. Step 5: Solve for x
    x = 12,391,614,049.60/127,686.48
  6. Step 6: Final answer
    x = 97,047.19

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