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Finding the Fourth Proportional to 124,547.54, 171,879.39 and 70,840.28

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Solution

The fourth proportional to 124,547.54, 171,879.39 and 70,840.28 is: 97,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,547.54 : 171,879.39 = 70,840.28 : x
  2. Step 2: Convert to fraction form
    124,547.54/171,879.39 = 70,840.28/x
  3. Step 3: Cross multiply
    124,547.54x = 171,879.39 × 70,840.28
  4. Step 4: Simplify right side
    124,547.54x = 12,175,982,900.23
  5. Step 5: Solve for x
    x = 12,175,982,900.23/124,547.54
  6. Step 6: Final answer
    x = 97,761.73

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