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Finding the Fourth Proportional to 107,984.64, 148,985.72 and 62,646.88

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Solution

The fourth proportional to 107,984.64, 148,985.72 and 62,646.88 is: 86,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984.64 : 148,985.72 = 62,646.88 : x
  2. Step 2: Convert to fraction form
    107,984.64/148,985.72 = 62,646.88/x
  3. Step 3: Cross multiply
    107,984.64x = 148,985.72 × 62,646.88
  4. Step 4: Simplify right side
    107,984.64x = 9,333,490,522.55
  5. Step 5: Solve for x
    x = 9,333,490,522.55/107,984.64
  6. Step 6: Final answer
    x = 86,433.50

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