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Finding the Fourth Proportional to 114,615.40, 171,923.10 and 83,122.60

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Solution

The fourth proportional to 114,615.40, 171,923.10 and 83,122.60 is: 124,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,615.40 : 171,923.10 = 83,122.60 : x
  2. Step 2: Convert to fraction form
    114,615.40/171,923.10 = 83,122.60/x
  3. Step 3: Cross multiply
    114,615.40x = 171,923.10 × 83,122.60
  4. Step 4: Simplify right side
    114,615.40x = 14,290,695,072.06
  5. Step 5: Solve for x
    x = 14,290,695,072.06/114,615.40
  6. Step 6: Final answer
    x = 124,683.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.