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Finding the Fourth Proportional to 102,613.40, 153,920.10 and 36,031.40

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Solution

The fourth proportional to 102,613.40, 153,920.10 and 36,031.40 is: 54,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,613.40 : 153,920.10 = 36,031.40 : x
  2. Step 2: Convert to fraction form
    102,613.40/153,920.10 = 36,031.40/x
  3. Step 3: Cross multiply
    102,613.40x = 153,920.10 × 36,031.40
  4. Step 4: Simplify right side
    102,613.40x = 5,545,956,691.14
  5. Step 5: Solve for x
    x = 5,545,956,691.14/102,613.40
  6. Step 6: Final answer
    x = 54,047.10

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