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Finding the Fourth Proportional to 93,614.40, 140,421.60 and 93,031.20

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Solution

The fourth proportional to 93,614.40, 140,421.60 and 93,031.20 is: 139,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,614.40 : 140,421.60 = 93,031.20 : x
  2. Step 2: Convert to fraction form
    93,614.40/140,421.60 = 93,031.20/x
  3. Step 3: Cross multiply
    93,614.40x = 140,421.60 × 93,031.20
  4. Step 4: Simplify right side
    93,614.40x = 13,063,589,953.92
  5. Step 5: Solve for x
    x = 13,063,589,953.92/93,614.40
  6. Step 6: Final answer
    x = 139,546.80

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