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Finding the Fourth Proportional to 124,000.81, 170,962.66 and 80,316.26

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Solution

The fourth proportional to 124,000.81, 170,962.66 and 80,316.26 is: 110,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.81 : 170,962.66 = 80,316.26 : x
  2. Step 2: Convert to fraction form
    124,000.81/170,962.66 = 80,316.26/x
  3. Step 3: Cross multiply
    124,000.81x = 170,962.66 × 80,316.26
  4. Step 4: Simplify right side
    124,000.81x = 13,731,081,082.60
  5. Step 5: Solve for x
    x = 13,731,081,082.60/124,000.81
  6. Step 6: Final answer
    x = 110,733.80

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