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Finding the Fourth Proportional to 206,898.20, 310,347.30 and 101,695.40

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Solution

The fourth proportional to 206,898.20, 310,347.30 and 101,695.40 is: 152,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,898.20 : 310,347.30 = 101,695.40 : x
  2. Step 2: Convert to fraction form
    206,898.20/310,347.30 = 101,695.40/x
  3. Step 3: Cross multiply
    206,898.20x = 310,347.30 × 101,695.40
  4. Step 4: Simplify right side
    206,898.20x = 31,560,892,812.42
  5. Step 5: Solve for x
    x = 31,560,892,812.42/206,898.20
  6. Step 6: Final answer
    x = 152,543.10

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