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Finding the Fourth Proportional to 170,790.80, 256,186.20 and 114,803.60

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Solution

The fourth proportional to 170,790.80, 256,186.20 and 114,803.60 is: 172,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.80 : 256,186.20 = 114,803.60 : x
  2. Step 2: Convert to fraction form
    170,790.80/256,186.20 = 114,803.60/x
  3. Step 3: Cross multiply
    170,790.80x = 256,186.20 × 114,803.60
  4. Step 4: Simplify right side
    170,790.80x = 29,411,098,030.32
  5. Step 5: Solve for x
    x = 29,411,098,030.32/170,790.80
  6. Step 6: Final answer
    x = 172,205.40

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