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Finding the Fourth Proportional to 125,848.56, 173,671.56 and 72,136.68

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Solution

The fourth proportional to 125,848.56, 173,671.56 and 72,136.68 is: 99,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,848.56 : 173,671.56 = 72,136.68 : x
  2. Step 2: Convert to fraction form
    125,848.56/173,671.56 = 72,136.68/x
  3. Step 3: Cross multiply
    125,848.56x = 173,671.56 × 72,136.68
  4. Step 4: Simplify right side
    125,848.56x = 12,528,089,748.82
  5. Step 5: Solve for x
    x = 12,528,089,748.82/125,848.56
  6. Step 6: Final answer
    x = 99,548.93

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