Home / 131,730.12-181,786.32-71,300.16

Finding the Fourth Proportional to 131,730.12, 181,786.32 and 71,300.16

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Solution

The fourth proportional to 131,730.12, 181,786.32 and 71,300.16 is: 98,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,730.12 : 181,786.32 = 71,300.16 : x
  2. Step 2: Convert to fraction form
    131,730.12/181,786.32 = 71,300.16/x
  3. Step 3: Cross multiply
    131,730.12x = 181,786.32 × 71,300.16
  4. Step 4: Simplify right side
    131,730.12x = 12,961,393,701.81
  5. Step 5: Solve for x
    x = 12,961,393,701.81/131,730.12
  6. Step 6: Final answer
    x = 98,393.55

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