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Finding the Fourth Proportional to 115,297.12, 172,904.12 and 48,742.46

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Solution

The fourth proportional to 115,297.12, 172,904.12 and 48,742.46 is: 73,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.12 : 172,904.12 = 48,742.46 : x
  2. Step 2: Convert to fraction form
    115,297.12/172,904.12 = 48,742.46/x
  3. Step 3: Cross multiply
    115,297.12x = 172,904.12 × 48,742.46
  4. Step 4: Simplify right side
    115,297.12x = 8,427,771,875.88
  5. Step 5: Solve for x
    x = 8,427,771,875.88/115,297.12
  6. Step 6: Final answer
    x = 73,096.12

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