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Finding the Fourth Proportional to 123,337.20, 185,005.80 and 70,703.40

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Solution

The fourth proportional to 123,337.20, 185,005.80 and 70,703.40 is: 106,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,337.20 : 185,005.80 = 70,703.40 : x
  2. Step 2: Convert to fraction form
    123,337.20/185,005.80 = 70,703.40/x
  3. Step 3: Cross multiply
    123,337.20x = 185,005.80 × 70,703.40
  4. Step 4: Simplify right side
    123,337.20x = 13,080,539,079.72
  5. Step 5: Solve for x
    x = 13,080,539,079.72/123,337.20
  6. Step 6: Final answer
    x = 106,055.10

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