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Finding the Fourth Proportional to 169,785.63, 254,678.18 and 45,126.63

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Solution

The fourth proportional to 169,785.63, 254,678.18 and 45,126.63 is: 67,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,785.63 : 254,678.18 = 45,126.63 : x
  2. Step 2: Convert to fraction form
    169,785.63/254,678.18 = 45,126.63/x
  3. Step 3: Cross multiply
    169,785.63x = 254,678.18 × 45,126.63
  4. Step 4: Simplify right side
    169,785.63x = 11,492,767,772.30
  5. Step 5: Solve for x
    x = 11,492,767,772.30/169,785.63
  6. Step 6: Final answer
    x = 67,689.87

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