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Finding the Fourth Proportional to 102,667.20, 153,885.60 and 58,315.20

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Solution

The fourth proportional to 102,667.20, 153,885.60 and 58,315.20 is: 87,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,667.20 : 153,885.60 = 58,315.20 : x
  2. Step 2: Convert to fraction form
    102,667.20/153,885.60 = 58,315.20/x
  3. Step 3: Cross multiply
    102,667.20x = 153,885.60 × 58,315.20
  4. Step 4: Simplify right side
    102,667.20x = 8,973,869,541.12
  5. Step 5: Solve for x
    x = 8,973,869,541.12/102,667.20
  6. Step 6: Final answer
    x = 87,407.37

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