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Finding the Fourth Proportional to 115,146.74, 172,645.92 and 48,569.06

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Solution

The fourth proportional to 115,146.74, 172,645.92 and 48,569.06 is: 72,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,146.74 : 172,645.92 = 48,569.06 : x
  2. Step 2: Convert to fraction form
    115,146.74/172,645.92 = 48,569.06/x
  3. Step 3: Cross multiply
    115,146.74x = 172,645.92 × 48,569.06
  4. Step 4: Simplify right side
    115,146.74x = 8,385,249,184.01
  5. Step 5: Solve for x
    x = 8,385,249,184.01/115,146.74
  6. Step 6: Final answer
    x = 72,822.29

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