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Finding the Fourth Proportional to 131,570.64, 197,385.12 and 61,411.68

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Solution

The fourth proportional to 131,570.64, 197,385.12 and 61,411.68 is: 92,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,570.64 : 197,385.12 = 61,411.68 : x
  2. Step 2: Convert to fraction form
    131,570.64/197,385.12 = 61,411.68/x
  3. Step 3: Cross multiply
    131,570.64x = 197,385.12 × 61,411.68
  4. Step 4: Simplify right side
    131,570.64x = 12,121,751,826.20
  5. Step 5: Solve for x
    x = 12,121,751,826.20/131,570.64
  6. Step 6: Final answer
    x = 92,131.13

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