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Finding the Fourth Proportional to 91,225.60, 136,838.40 and 59,732.80

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Solution

The fourth proportional to 91,225.60, 136,838.40 and 59,732.80 is: 89,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.60 : 136,838.40 = 59,732.80 : x
  2. Step 2: Convert to fraction form
    91,225.60/136,838.40 = 59,732.80/x
  3. Step 3: Cross multiply
    91,225.60x = 136,838.40 × 59,732.80
  4. Step 4: Simplify right side
    91,225.60x = 8,173,740,779.52
  5. Step 5: Solve for x
    x = 8,173,740,779.52/91,225.60
  6. Step 6: Final answer
    x = 89,599.20

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