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Finding the Fourth Proportional to 154,389.30, 231,411.15 and 65,627.70

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Solution

The fourth proportional to 154,389.30, 231,411.15 and 65,627.70 is: 98,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,389.30 : 231,411.15 = 65,627.70 : x
  2. Step 2: Convert to fraction form
    154,389.30/231,411.15 = 65,627.70/x
  3. Step 3: Cross multiply
    154,389.30x = 231,411.15 × 65,627.70
  4. Step 4: Simplify right side
    154,389.30x = 15,186,981,528.86
  5. Step 5: Solve for x
    x = 15,186,981,528.86/154,389.30
  6. Step 6: Final answer
    x = 98,368.10

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